diff --git a/AGENTS.md b/AGENTS.md
index ae14c92..35ac656 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -20,9 +20,10 @@ sursa de adevăr tehnică pentru agenți.
 python3 -m http.server 8000
 
 # Teste (Playwright; fără package.json commitat — vezi tests/AGENTS.md):
-npx playwright test tests/smoke.mjs                    # suita completă: 35/35
+npx playwright test tests/smoke.mjs                    # suita completă: 41/41
 npx playwright test tests/smoke.mjs --grep @regresie   # regresie: 16
 npx playwright test tests/smoke.mjs --grep @campanie   # campanie E2E: 21
+npx playwright test tests/smoke.mjs --grep @share      # Iterația 3: 6
 ```
 
 ## Durable Rules (repo-wide)
@@ -30,11 +31,12 @@ npx playwright test tests/smoke.mjs --grep @campanie   # campanie E2E: 21
 - **Zero dependențe.** Produsul (fișierele `*.html`) e vanilla HTML/CSS/JS, merge offline de pe
   `file://`. `node_modules/`, `package.json`, `playwright.config.mjs`, `scratch/`, `test-results/`
   sunt **gitignored** — doar dev tooling, nu fac parte din produs.
-- **Un singur fișier.** Toată aplicația trăiește în `escape-builder.html` (~1960 linii), pe secțiuni
+- **Un singur fișier.** Toată aplicația trăiește în `escape-builder.html` (~3200 linii), pe secțiuni
   comentate: `stare` · `editor` · `preview` · `template-urile jocului exportat`.
 - **Dispatch.** `gameHTML(cfg)` rutează pe `cfg.style` către 6 motoare:
   `gameClassic · gameTerminal · gameArcade · gameChat · gamePoint · gameCampaign`. Fiecare returnează
-  un string HTML complet, standalone.
+  un string HTML complet, standalone. `playerHTML()` generează player universal (hash-mode, toate 5
+  motoare inline, MASTER din `location.hash` comprimat deflate-raw+base64url).
 - **Cod partajat = blast radius global.** `libJS(cfg)` (`CFG`, `norm`, `checkAnswer`, `starsFor`,
   `finalWord`, `beep`, `confetti`) și `SNIP.*` (`baseCss`, modal, ecran final) sunt injectate în
   TOATE motoarele. O schimbare aici → verifică fiecare stil în preview înainte de commit.
diff --git a/TODOS.md b/TODOS.md
index 85fb82e..5309110 100644
--- a/TODOS.md
+++ b/TODOS.md
@@ -243,13 +243,28 @@ choice=1/opțiune); `data-fb`/`data-bkey` handler în input listener; `adventure
 
 Verificat: smoke 35/35 (4 teste noi: branch-jump, resume non-contiguu, regression non-adventure, tf branch).
 
-## Iterația 3 — Joc-în-URL + QR
-*(depinde de măsurarea dimensiunii JSON comprimate)*
+## Iterația 3 — Joc-în-URL + QR ✅ LIVRAT (2026-06-14)
 
-- `gameHTML(cfg)` → URL data: sau LZW/gzip → QR code printabil.
-- Open Question 2 din design doc: câte puzzle-uri încap în 2KB (URL QR L)?
-- Alternative: GitHub Pages export automat; sau link scurt cu backend minimal.
-- Referință: design doc §NOT in scope "Joc-în-URL + QR".
+**Scope livrat:**
+- [x] **Stage 1 — Compresie URL**: `deflateToBase64url`/`inflateFromBase64url` (CompressionStream native,
+  offline, `file://`). `CS_OK` guard. `SNIP.compressJs` cu helpers inflate (doubled backslashes).
+- [x] **Stage 2 — Refactor `campaignShell`**: parametrizat `bootMode='inline'|'hash'`. Zero schimbare
+  de comportament pentru inline (35/35 smoke). `chrome-title` + `document.title` setate din MASTER.
+- [x] **Stage 3 — `playerHTML()` + boot din hash**: player universal (toate 5 motoare); async IIFE
+  (corect `(async function(){...})()`) decomprimă hash → setează MASTER → apendează orchestratorul
+  din `<script type="text/plain" id="run">`. No-hash → "Niciun joc în acest link."
+- [x] **Stage 4 — Encoder QR**: GF(256), Reed-Solomon, byte mode, ECC L, auto-versiune 1-22,
+  selecție mască + BCH format/version. `makeQrSvg(text, opts)` → SVG string sau `null`.
+- [x] **Stage 5 — UI builder**: fieldset „Distribuie (link+QR)", `#btnShare`/`#btnCopyLink`/
+  `#btnDownloadPlayer`/`#btnPrintQr`, `#qrBox`, `#qrCard` (print A4). `baseUrl` în state
+  (deleted din `cleanState()` → nu intră în payload). Butoane disabled dacă `!CS_OK`.
+- [x] **Stage 6 — Docs**: 41/41 smoke, TODOS/AGENTS actualizate.
+
+**DEFER** (fast-follow): Import-din-hash în builder (`escape-builder.html#hash` → editabil).
+Reutilizează inflate+Save/Load; adaugă cale async la boot-ul builder (azi sincron).
+
+Verificat: smoke 41/41. Capabilitate: 12+ puzzle-uri → ~636B → QR v10 L; 30+ puzzle-uri → ~750B.
+Scan manual cu telefon real: TODO (notat în HANDOFF).
 
 ---
 
diff --git a/escape-builder.html b/escape-builder.html
index 49ac23a..2ebe5cb 100644
--- a/escape-builder.html
+++ b/escape-builder.html
@@ -83,6 +83,32 @@
   #addPuzzle { width: 100%; padding: 10px; border-style: dashed; color: var(--muted); }
   #addPuzzle:hover { color: var(--accent); }
   input[type=color] { border: 1px solid var(--line); border-radius: 7px; height: 34px; width: 100%; padding: 2px; background: #fff; }
+  /* Share section */
+  .share-url { width: 100%; font: 12px/1.4 ui-monospace,monospace; padding: 6px 8px; border: 1px solid var(--line); border-radius: 7px; background: #f9fafb; color: var(--ink); resize: none; }
+  .share-btns { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
+  .share-btns button { flex: 1; min-width: 110px; font-size: 12px; padding: 6px 10px; }
+  #qrBox svg { display: block; margin: 10px auto 0; max-width: 180px; height: auto; border: 1px solid var(--line); border-radius: 6px; }
+  /* QR Card print */
+  #qrCard {
+    display: none; position: fixed; inset: 0; z-index: 9999;
+    background: #fff; color: #111;
+    font-family: system-ui, sans-serif;
+    flex-direction: column; align-items: center; justify-content: center;
+    padding: 30mm 20mm; gap: 12px; text-align: center;
+  }
+  #qrCard.show { display: flex; }
+  #qrCard .qr-title { font-size: 22px; font-weight: 900; margin: 0; }
+  #qrCard .qr-instr { font-size: 13px; color: #555; max-width: 70mm; line-height: 1.5; }
+  #qrCard .qr-url { font-family: ui-monospace,monospace; font-size: 9px; color: #555; word-break: break-all; max-width: 100mm; margin-top: 4px; }
+  #qrCard .qr-for { font-size: 14px; font-weight: 700; }
+  #qrCard svg { width: 60mm; height: 60mm; }
+  #qrCard .qr-back { margin-top: 16px; font-size: 12px; }
+  @media print {
+    body * { visibility: hidden; }
+    #qrCard, #qrCard * { visibility: visible; }
+    #qrCard { position: fixed; inset: 0; display: flex !important; print-color-adjust: exact; -webkit-print-color-adjust: exact; }
+    #qrCard .qr-back { display: none; }
+  }
 </style>
 </head>
 <body>
@@ -152,6 +178,21 @@
       <div id="puzzleList"></div>
       <button id="addPuzzle">+ Adauga puzzle</button>
     </fieldset>
+
+    <fieldset id="fsShare">
+      <legend>Distribuie (link + QR)</legend>
+      <label>URL baza player (GitHub Pages)</label>
+      <input type="text" id="gBaseUrl" data-g="baseUrl" placeholder="https://USERNAME.github.io/escape-builder/play.html">
+      <div class="help" style="margin-bottom:8px">Inlocuieste USERNAME cu contul tau GitHub. <a href="https://pages.github.com/" target="_blank" rel="noopener">Cum activezi GitHub Pages &rarr;</a></div>
+      <div class="share-btns">
+        <button id="btnShare">Genereaza QR / link</button>
+        <button id="btnCopyLink">Copiaza link</button>
+        <button id="btnDownloadPlayer">Descarca player.html</button>
+        <button id="btnPrintQr">Printeaza cardul QR</button>
+      </div>
+      <div id="qrBox"></div>
+      <textarea id="shareUrl" class="share-url" rows="2" readonly placeholder="Link-ul va aparea aici dupa generare..."></textarea>
+    </fieldset>
   </section>
 
   <section id="previewPane">
@@ -164,6 +205,16 @@
   </section>
 </main>
 
+<!-- Card QR print (vizibil doar la print sau la preview) -->
+<div id="qrCard" role="document" aria-label="Card QR de distribuit">
+  <p class="qr-title" id="qrCardTitle"></p>
+  <div id="qrCardSvg"></div>
+  <p class="qr-instr">Scaneaza codul QR cu telefonul<br>pentru a juca escape room-ul!</p>
+  <p class="qr-url" id="qrCardUrl"></p>
+  <p class="qr-for" id="qrCardFor"></p>
+  <button class="qr-back" id="btnQrBack">Inchide previzualizarea</button>
+</div>
+
 <script>
 'use strict';
 
@@ -187,6 +238,7 @@ const defaultState = () => ({
   music: false,
   adventure: false,
   timerMin: 0,
+  baseUrl: 'https://USERNAME.github.io/escape-builder/play.html',
   story: 'O comoara a fost ascunsa, iar singurul drum spre ea trece prin cateva incercari. Rezolva fiecare puzzle ca sa aduni literele cuvantului magic.',
   finalMessage: 'Felicitari! Ai gasit comoara!',
   puzzles: [
@@ -462,6 +514,7 @@ $('#btnReload').addEventListener('click', refreshPreview);
 
 function cleanState() {
   const s = JSON.parse(JSON.stringify(state));
+  delete s.baseUrl; /* metadata de share — nu intră în payload/QR/JSON exportat */
   s.timerMin = Math.max(0, Math.min(120, parseInt(s.timerMin, 10) || 0)); /* T10: minute întregi 0..120 */
   const nP = s.puzzles.length;
   s.puzzles.forEach((p, pi) => {
@@ -499,6 +552,355 @@ function download(name, content, mime) {
   setTimeout(() => URL.revokeObjectURL(a.href), 5000);
 }
 
+/* compresie URL (Iteratia 3) */
+const CS_OK = typeof CompressionStream !== 'undefined' && typeof DecompressionStream !== 'undefined';
+
+function bytesToB64url(bytes) {
+  const chunks = [];
+  for (let i = 0; i < bytes.length; i += 8192) {
+    chunks.push(String.fromCharCode.apply(null, bytes.subarray(i, i + 8192)));
+  }
+  return btoa(chunks.join('')).replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
+}
+
+function b64urlToBytes(str) {
+  const b64 = str.replace(/-/g, '+').replace(/_/g, '/');
+  const bin = atob(b64);
+  const bytes = new Uint8Array(bin.length);
+  for (let i = 0; i < bin.length; i++) bytes[i] = bin.charCodeAt(i);
+  return bytes;
+}
+
+async function deflateToBase64url(str) {
+  const bytes = new TextEncoder().encode(str);
+  const cs = new CompressionStream('deflate-raw');
+  const writer = cs.writable.getWriter();
+  writer.write(bytes);
+  writer.close();
+  const buf = await new Response(cs.readable).arrayBuffer();
+  return bytesToB64url(new Uint8Array(buf));
+}
+
+async function inflateFromBase64url(str) {
+  const bytes = b64urlToBytes(str);
+  const ds = new DecompressionStream('deflate-raw');
+  const writer = ds.writable.getWriter();
+  writer.write(bytes);
+  writer.close();
+  const buf = await new Response(ds.readable).arrayBuffer();
+  return new TextDecoder().decode(buf);
+}
+
+/* QR encoder (Iteratia 3, doar builder) — byte mode, ECC L, versiuni 1-22, 8 masti + penalti */
+(function(){
+
+/* GF(256) cu polinom primitiv 0x11d */
+const EXP = new Uint8Array(512), LOG = new Uint8Array(256);
+(function(){
+  let x = 1;
+  for (let i = 0; i < 255; i++) {
+    EXP[i] = x; LOG[x] = i; x = x < 128 ? x << 1 : (x << 1) ^ 0x11d;
+  }
+  for (let i = 255; i < 512; i++) EXP[i] = EXP[i - 255];
+})();
+function gmul(a, b) { return a && b ? EXP[LOG[a] + LOG[b]] : 0; }
+
+/* Reed-Solomon: generator poly de grad n */
+function rsGenerator(n) {
+  let g = [1];
+  for (let i = 0; i < n; i++) {
+    const ng = new Array(g.length + 1).fill(0);
+    for (let j = 0; j < g.length; j++) { ng[j] ^= g[j]; ng[j+1] ^= gmul(g[j], EXP[i]); }
+    g = ng;
+  }
+  return g;
+}
+function rsRemainder(data, gen) {
+  const rem = new Array(gen.length - 1).fill(0);
+  for (const byte of data) {
+    const factor = byte ^ rem.shift(); rem.push(0);
+    for (let j = 0; j < rem.length; j++) rem[j] ^= gmul(gen[j+1], factor);
+  }
+  return rem;
+}
+
+/* Tabele versiune 1-22, ECC L
+   [dataCodewords, ecCodewordsPerBlock, group1Blocks, group1Words, group2Blocks, group2Words] */
+const VER_TABLE = [
+  null, /* v0 placeholder */
+  [19,7,1,19,0,0],[34,10,1,34,0,0],[55,15,1,55,0,0],[80,20,2,40,0,0],
+  [108,26,2,54,0,0],[136,18,2,44,0,0],[156,20,4,32,0,0],[194,24,4,40,0,0],
+  [232,30,4,36,2,36],[274,18,6,36,2,32],[324,20,6,36,4,32],[370,24,6,36,4,36],
+  [428,26,8,37,1,37],[461,30,8,40,1,38],[523,22,10,40,2,38],[589,24,12,40,2,37],
+  [647,28,16,37,0,0],[721,30,12,38,6,37],[795,28,17,35,1,35],[861,28,19,35,2,34],
+  [932,28,16,38,6,38],[1006,30,17,36,6,36],
+];
+
+/* Centru alignment patterns per versiune */
+const ALIGN_POS = [
+  [],[],[6,18],[6,22],[6,26],[6,30],[6,34],
+  [6,22,38],[6,24,42],[6,26,46],[6,28,50],[6,30,54],[6,32,58],[6,34,62],
+  [6,26,46,66],[6,26,48,70],[6,30,50,70],[6,30,54,74],[6,30,56,74],
+  [6,34,56,76],[6,28,50,72,94],[6,26,50,74,98],[6,30,54,74,102],
+];
+
+/* BCH pentru format info (generator 0x537, 10 bit) */
+function bchFormat(data) {
+  let d = data << 10;
+  for (let i = 4; i >= 0; i--) if (d & (1 << (i+10))) d ^= (0x537 << i);
+  return d;
+}
+/* BCH pentru versiune info (generator 0x1f25, 12 bit, v>=7) */
+function bchVersion(ver) {
+  let d = ver << 12;
+  for (let i = 5; i >= 0; i--) if (d & (1 << (i+12))) d ^= (0x1f25 << i);
+  return d;
+}
+
+/* Construieste matricea QR */
+function buildMatrix(ver) {
+  const size = ver * 4 + 17;
+  const mat  = Array.from({length: size}, () => new Int8Array(size).fill(-1));
+  const res  = Array.from({length: size}, () => new Uint8Array(size)); /* 1=rezervat */
+
+  function setFinder(r, c) {
+    for (let dr = -1; dr <= 7; dr++) for (let dc = -1; dc <= 7; dc++) {
+      const rr = r + dr, cc = c + dc;
+      if (rr < 0 || rr >= size || cc < 0 || cc >= size) continue;
+      res[rr][cc] = 1;
+      const inFinder = dr >= 0 && dr <= 6 && dc >= 0 && dc <= 6;
+      mat[rr][cc] = inFinder ? ((dr===0||dr===6||dc===0||dc===6||
+        (dr>=2&&dr<=4&&dc>=2&&dc<=4)) ? 1 : 0) : 0;
+    }
+  }
+  setFinder(0,0); setFinder(0,size-7); setFinder(size-7,0);
+
+  /* Timing */
+  for (let i = 8; i < size-8; i++) {
+    mat[6][i] = mat[i][6] = (i & 1) ? 0 : 1;
+    res[6][i] = res[i][6] = 1;
+  }
+
+  /* Dark module */
+  mat[4*ver+9][8] = 1; res[4*ver+9][8] = 1;
+
+  /* Alignment patterns */
+  const apos = ALIGN_POS[ver] || [];
+  for (const ar of apos) for (const ac of apos) {
+    if ((ar===6&&ac===6)||(ar===6&&ac===apos[apos.length-1])||(ar===apos[apos.length-1]&&ac===6)) continue;
+    for (let dr=-2;dr<=2;dr++) for (let dc=-2;dc<=2;dc++) {
+      res[ar+dr][ac+dc] = 1;
+      mat[ar+dr][ac+dc] = (Math.abs(dr)===2||Math.abs(dc)===2||(dr===0&&dc===0)) ? 1 : 0;
+    }
+  }
+
+  /* Rezervare format + versiune */
+  const fmtCells = [[8,0],[8,1],[8,2],[8,3],[8,4],[8,5],[8,7],[8,8],
+    [7,8],[5,8],[4,8],[3,8],[2,8],[1,8],[0,8],
+    [size-1,8],[size-2,8],[size-3,8],[size-4,8],[size-5,8],[size-6,8],[size-7,8],[size-8,8],
+    [8,size-8],[8,size-7],[8,size-6],[8,size-5],[8,size-4],[8,size-3],[8,size-2],[8,size-1]];
+  for (const [r,c] of fmtCells) { res[r][c] = 1; mat[r][c] = 0; }
+  if (ver >= 7) {
+    for (let i=0;i<6;i++) for (let j=0;j<3;j++) {
+      res[i][size-11+j]=1; mat[i][size-11+j]=0;
+      res[size-11+j][i]=1; mat[size-11+j][i]=0;
+    }
+  }
+
+  return { mat, res, size };
+}
+
+function encodeData(text, ver) {
+  const vtbl = VER_TABLE[ver];
+  const [, ecPB, g1b, g1w, g2b, g2w] = vtbl;
+  const totalData = vtbl[0];
+  const bytes = new TextEncoder().encode(text);
+
+  /* Bit buffer */
+  const bits = [];
+  const pushBits = (v, n) => { for (let i=n-1;i>=0;i--) bits.push((v>>i)&1); };
+  pushBits(0b0100, 4);         /* mode: byte */
+  pushBits(bytes.length, 8);   /* char count (v1-9: 8 bits) — v10-26: 16 bits */
+  /* For v10+: char count is 16 bits in byte mode. Versions we use (1-22) span both ranges.
+     Versions 1-9: 8-bit count; 10-26: 16-bit count. */
+  /* Recalculate: already pushed 8 bits for v<=9; for v>=10 we need 16-bit. Fix: */
+  bits.length = 0;
+  pushBits(0b0100, 4);
+  if (ver <= 9) pushBits(bytes.length, 8); else pushBits(bytes.length, 16);
+  for (const b of bytes) pushBits(b, 8);
+
+  /* Terminator + pad to byte boundary */
+  for (let i=0;i<4&&bits.length<totalData*8;i++) bits.push(0);
+  while (bits.length % 8) bits.push(0);
+
+  /* Pad codewords */
+  const pads = [0xEC, 0x11]; let pi = 0;
+  while (bits.length < totalData * 8) { pushBits(pads[pi++ % 2], 8); }
+
+  /* Convert to bytes */
+  const data = [];
+  for (let i=0;i<bits.length;i+=8) data.push(bits.slice(i,i+8).reduce((a,b)=>a*2+b,0));
+
+  /* Interleave blocks */
+  const blocks = [];
+  let off = 0;
+  for (let i=0;i<g1b+g2b;i++) {
+    const w = (i<g1b) ? g1w : g2w;
+    blocks.push(data.slice(off, off+w)); off += w;
+  }
+  const gen = rsGenerator(ecPB);
+  const ecBlocks = blocks.map(b => rsRemainder(b, gen));
+
+  const out = [];
+  const maxLen = Math.max(...blocks.map(b=>b.length));
+  for (let i=0;i<maxLen;i++) for (const b of blocks) if (i<b.length) out.push(b[i]);
+  for (let i=0;i<ecPB;i++) for (const eb of ecBlocks) out.push(eb[i]);
+
+  return out;
+}
+
+function placeData(mat, res, data, size) {
+  const bits = [];
+  for (const b of data) for (let i=7;i>=0;i--) bits.push((b>>i)&1);
+
+  let bi = 0, up = true;
+  for (let col = size-1; col >= 0; col -= 2) {
+    if (col === 6) col--;
+    for (let ri = 0; ri < size; ri++) {
+      const r = up ? size-1-ri : ri;
+      for (let dc = 0; dc <= 1; dc++) {
+        const c = col - dc;
+        if (!res[r][c] && bi < bits.length) { mat[r][c] = bits[bi++]; }
+      }
+    }
+    up = !up;
+  }
+}
+
+const MASK_FNS = [
+  (r,c)=>(r+c)%2===0,(r,c)=>r%2===0,(r,c)=>c%3===0,(r,c)=>(r+c)%3===0,
+  (r,c)=>((Math.floor(r/2)+Math.floor(c/3))%2===0),(r,c)=>(r*c)%2+(r*c)%3===0,
+  (r,c)=>((r*c)%2+(r*c)%3)%2===0,(r,c)=>((r+c)%2+(r*c)%3)%2===0
+];
+
+function applyMask(mat, res, size, mi) {
+  const fn = MASK_FNS[mi];
+  const m = mat.map(r=>r.slice());
+  for (let r=0;r<size;r++) for (let c=0;c<size;c++) if (!res[r][c]) m[r][c] ^= fn(r,c)?1:0;
+  return m;
+}
+
+function writeFormat(m, size, maskIdx) {
+  /* ECC L = 01 */
+  const raw = (0b01 << 3) | maskIdx;
+  const fmtBits = ((raw << 10) | bchFormat(raw)) ^ 0x5412;
+  const seq = [[8,0],[8,1],[8,2],[8,3],[8,4],[8,5],[8,7],[8,8],
+    [7,8],[5,8],[4,8],[3,8],[2,8],[1,8],[0,8]];
+  const seqR = [[size-1,8],[size-2,8],[size-3,8],[size-4,8],[size-5,8],[size-6,8],[size-7,8],
+    [8,size-8],[8,size-7],[8,size-6],[8,size-5],[8,size-4],[8,size-3],[8,size-2],[8,size-1]];
+  for (let i=0;i<15;i++) {
+    const bit = (fmtBits >> (14-i)) & 1;
+    m[seq[i][0]][seq[i][1]] = bit;
+    m[seqR[i][0]][seqR[i][1]] = bit;
+  }
+}
+
+function writeVersion(m, size, ver) {
+  if (ver < 7) return;
+  const raw = ver;
+  const verBits = (raw << 12) | bchVersion(raw);
+  for (let i=0;i<18;i++) {
+    const bit = (verBits >> i) & 1;
+    const r = Math.floor(i/3), c = size-11+i%3;
+    m[r][c] = bit; m[c][r] = bit;
+  }
+}
+
+function penaltyScore(m, size) {
+  let score = 0;
+  /* Rule 1: 5+ in a row */
+  for (let r=0;r<size;r++) {
+    for (let isCol=0;isCol<2;isCol++) {
+      let run=1, prev=isCol?m[0][r]:m[r][0];
+      for (let i=1;i<size;i++) {
+        const v = isCol?m[i][r]:m[r][i];
+        if (v===prev) { run++; if(run===5) score+=3; else if(run>5) score++; }
+        else { run=1; prev=v; }
+      }
+    }
+  }
+  /* Rule 2: 2x2 blocks */
+  for (let r=0;r<size-1;r++) for (let c=0;c<size-1;c++) {
+    const v=m[r][c]; if(v===m[r+1][c]&&v===m[r][c+1]&&v===m[r+1][c+1]) score+=3;
+  }
+  /* Rule 3: finder-like patterns */
+  const p1=[1,0,1,1,1,0,1,0,0,0,0], p2=[0,0,0,0,1,0,1,1,1,0,1];
+  for (let r=0;r<size;r++) for (let c=0;c<=size-11;c++) {
+    let h1=true,h2=true,v1=true,v2=true;
+    for (let k=0;k<11;k++) {
+      if(m[r][c+k]!==p1[k]) h1=false; if(m[r][c+k]!==p2[k]) h2=false;
+      if(m[c+k][r]!==p1[k]) v1=false; if(m[c+k][r]!==p2[k]) v2=false;
+    }
+    if(h1||h2) score+=40; if(v1||v2) score+=40;
+  }
+  /* Rule 4: dark module ratio */
+  let dark=0;
+  for (let r=0;r<size;r++) for (let c=0;c<size;c++) if(m[r][c]) dark++;
+  const ratio = Math.abs(dark*100/(size*size)-50);
+  score += Math.floor(ratio/5)*10;
+  return score;
+}
+
+function makeQrSvg(text, opts={}) {
+  opts = Object.assign({ quietZone: 4 }, opts);
+  const bytes = new TextEncoder().encode(text);
+  const n = bytes.length;
+  /* Trova minimum version ECC L */
+  let ver = 0;
+  for (let v=1; v<=22; v++) {
+    if (VER_TABLE[v] && VER_TABLE[v][0] >= n + (v<=9?3:4)) { ver=v; break; }
+  }
+  if (!ver) return null; /* text too long */
+
+  const data = encodeData(text, ver);
+  const { mat, res, size } = buildMatrix(ver);
+  placeData(mat, res, data, size);
+
+  /* Alege masca cu penalti minim */
+  let bestMask = 0, bestScore = Infinity;
+  for (let mi=0;mi<8;mi++) {
+    const m2 = applyMask(mat, res, size, mi);
+    writeFormat(m2, size, mi);
+    writeVersion(m2, size, ver);
+    const sc = penaltyScore(m2, size);
+    if (sc < bestScore) { bestScore=sc; bestMask=mi; }
+  }
+  const finalMat = applyMask(mat, res, size, bestMask);
+  writeFormat(finalMat, size, bestMask);
+  writeVersion(finalMat, size, ver);
+
+  /* Genereaza SVG cu un singur <path> (run-uri per rand) */
+  const qz = opts.quietZone;
+  const total = size + 2*qz;
+  let d = '';
+  for (let r=0;r<size;r++) {
+    let run=0, startC=-1;
+    for (let c=0;c<=size;c++) {
+      const on = c<size && finalMat[r][c]===1;
+      if (on && run===0) { startC=c; run=1; }
+      else if (on) run++;
+      else if (run>0) {
+        d += `M${startC+qz},${r+qz}h${run}v1h-${run}z`;
+        run=0;
+      }
+    }
+  }
+  return `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 ${total} ${total}" shape-rendering="crispEdges"><rect width="${total}" height="${total}" fill="#fff"/><path fill="#000" d="${d}"/></svg>`;
+}
+
+window.makeQrSvg = makeQrSvg;
+})();
+
 /* ---------- preview ---------- */
 
 let timer = null;
@@ -921,6 +1323,26 @@ SNIP.hudJs = `function hudLetters(isSolved){
   }
 }`;
 
+/* helperi inflate pt. player (player-side, backslash dublu pentru regex) */
+SNIP.compressJs = `function bytesToB64url(bytes){
+  var chunks=[];
+  for(var i=0;i<bytes.length;i+=8192)chunks.push(String.fromCharCode.apply(null,bytes.subarray(i,i+8192)));
+  return btoa(chunks.join('')).replace(/\\+/g,'-').replace(/\\//g,'_').replace(/=/g,'');
+}
+function b64urlToBytes(str){
+  var b64=str.replace(/-/g,'+').replace(/_/g,'/');
+  var bin=atob(b64);var bytes=new Uint8Array(bin.length);
+  for(var i=0;i<bin.length;i++)bytes[i]=bin.charCodeAt(i);
+  return bytes;
+}
+async function inflateFromBase64url(str){
+  var bytes=b64urlToBytes(str);
+  var ds=new DecompressionStream('deflate-raw');
+  var writer=ds.writable.getWriter();writer.write(bytes);writer.close();
+  var buf=await new Response(ds.readable).arrayBuffer();
+  return new TextDecoder().decode(buf);
+}`;
+
 /* ---------- motor: terminal retro ---------- */
 
 function gameTerminal(cfg) {
@@ -1645,28 +2067,30 @@ roomReady();
  * json = JSON.stringify(cfg).replace(/</g,'\\u003c') — D6.
  */
 
-function gameCampaign(cfg) {
-  const ROTATION = ['classic', 'terminal', 'arcade', 'chat', 'point'];
-
-  /* Template-uri per stil: fiecare motor generat O dată cu sentinel __CFG__ */
-  const stylesNeeded = new Set(cfg.puzzles.map((p, i) => p.style || ROTATION[i % ROTATION.length]));
-  const engines = { classic: gameClassic, terminal: gameTerminal, arcade: gameArcade, chat: gameChat, point: gamePoint };
-  const templates = {};
-  for (const style of stylesNeeded) {
-    templates[style] = (engines[style] || gameClassic)('__TEMPLATE__');
-  }
-
-  const tplJson    = JSON.stringify(templates).replace(/</g, '\\u003c');
-  const masterJson = JSON.stringify(cfg).replace(/</g, '\\u003c');
-  const nRooms     = cfg.puzzles.length;
-  const nStyles    = stylesNeeded.size;
+function campaignShell({ tplJson, masterExpr, titleExpr, nStyles, bootMode }) {
+  const _scriptOpen = bootMode === 'hash'
+    ? `<script>
+${SNIP.compressJs}
+var TPL    = ${tplJson};
+(async function(){
+  var h=location.hash.slice(1);
+  if(!h){document.getElementById('intro-title').textContent='Niciun joc în acest link.';return;}
+  window.MASTER=JSON.parse(await inflateFromBase64url(h));
+  var s=document.createElement('script');s.textContent=document.getElementById('run').textContent;document.body.appendChild(s);
+})();
+<\/script>
+<script type="text/plain" id="run">
+var MASTER=window.MASTER;`
+    : `<script>
+var TPL    = ${tplJson};
+var MASTER = ${masterExpr};`;
 
   return `<!doctype html>
 <html lang="ro">
 <head>
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
-<title>${esc(cfg.title)}</title>
+<title>${titleExpr}</title>
 <style>
 /*
  * ASCII DIAGRAM — contractul parent.*:
@@ -1923,7 +2347,7 @@ body {
 <body>
 
 <div id="chrome">
-  <span id="chrome-title">${esc(cfg.title)}</span>
+  <span id="chrome-title">${titleExpr}</span>
   <div class="sp"></div>
   <span id="chrome-timer" role="timer" aria-label="Timp ramas" hidden>0:00</span>
   <button id="btn-music" type="button" aria-label="Muzica de fundal" hidden>&#127925;</button>
@@ -1995,7 +2419,7 @@ body {
   </div>
 </div>
 
-<script>
+${_scriptOpen}
 /*
  * ASCII DIAGRAM — contractul parent.*:
  * ┌──────────── orchestrator (window) ─────────────────────────┐
@@ -2008,8 +2432,6 @@ body {
  * roomDone[idx]=true după primul nextRoom → duplicatele ignorate.
  * Timeout 4s → skipRoom → aceeași compoziție de coridor (D5).
  */
-var TPL    = ${tplJson};
-var MASTER = ${masterJson};
 var ROTATION = ['classic','terminal','arcade','chat','point'];
 var TOKEN    = '__CFG__';
 
@@ -2603,6 +3025,8 @@ owBuild();
 
 /* ----- Intro ----- */
 document.getElementById('intro-title').textContent = MASTER.title;
+document.getElementById('chrome-title').textContent = MASTER.title;
+document.title = MASTER.title || document.title;
 var _introStory = (MASTER.player?'Salut, '+MASTER.player+'! ':'')+MASTER.story;
 document.getElementById('intro-story').textContent = _introStory;
 document.getElementById('intro-promise').textContent = N+' camere \\u00b7 ${nStyles} stiluri \\u00b7 1 cuvânt magic';
@@ -2689,6 +3113,96 @@ buildDots();
 </html>`;
 }
 
+function gameCampaign(cfg) {
+  const ROTATION = ['classic', 'terminal', 'arcade', 'chat', 'point'];
+  const stylesNeeded = new Set(cfg.puzzles.map((p, i) => p.style || ROTATION[i % ROTATION.length]));
+  const engines = { classic: gameClassic, terminal: gameTerminal, arcade: gameArcade, chat: gameChat, point: gamePoint };
+  const templates = {};
+  for (const style of stylesNeeded) {
+    templates[style] = (engines[style] || gameClassic)('__TEMPLATE__');
+  }
+  const tplJson    = JSON.stringify(templates).replace(/</g, '\\u003c');
+  const masterJson = JSON.stringify(cfg).replace(/</g, '\\u003c');
+  const nStyles    = stylesNeeded.size;
+  return campaignShell({ tplJson, masterExpr: masterJson, titleExpr: esc(cfg.title), nStyles, bootMode: 'inline' });
+}
+
+function playerHTML() {
+  /* Player universal: toate 5 template-uri inline, MASTER vine din hash comprimat */
+  const ROTATION = ['classic', 'terminal', 'arcade', 'chat', 'point'];
+  const engines = { classic: gameClassic, terminal: gameTerminal, arcade: gameArcade, chat: gameChat, point: gamePoint };
+  const templates = {};
+  for (const style of ROTATION) {
+    templates[style] = engines[style]('__TEMPLATE__');
+  }
+  const tplJson = JSON.stringify(templates).replace(/</g, '\\u003c');
+  const nStyles = ROTATION.length; /* toate 5 stiluri disponibile */
+  return campaignShell({ tplJson, masterExpr: '', titleExpr: 'Escape Room Player', nStyles, bootMode: 'hash' });
+}
+
+/* ---------- distribuie (link + QR) ---------- */
+
+$('#btnShare').disabled = !CS_OK;
+$('#btnCopyLink').disabled = !CS_OK;
+if (!CS_OK) {
+  const t = 'Browserul nu suportă CompressionStream (necesar pentru compresie URL)';
+  $('#btnShare').title = t; $('#btnCopyLink').title = t;
+}
+
+$('#btnShare').addEventListener('click', async () => {
+  if (state.puzzles.length === 0) { alert('Adaugă cel puțin un puzzle înainte de a genera QR-ul!'); return; }
+  const payload = await deflateToBase64url(JSON.stringify(cleanState()));
+  const baseUrl = (state.baseUrl || '').replace(/#.*$/, '');
+  const url = baseUrl + '#' + payload;
+  $('#shareUrl').value = url;
+  const svg = makeQrSvg ? makeQrSvg(url) : null;
+  if (!svg) {
+    $('#qrBox').innerHTML = '<p style="color:var(--danger);font-size:12px">URL prea lung pentru QR (încearcă un domeniu mai scurt sau mai puține puzzle-uri).</p>';
+  } else {
+    $('#qrBox').innerHTML = svg;
+    /* Populate QR card for print */
+    $('#qrCardTitle').textContent = state.title || 'Escape Room';
+    $('#qrCardFor').textContent = state.player ? 'Pentru: ' + state.player : '';
+    $('#qrCardUrl').textContent = url;
+    $('#qrCardSvg').innerHTML = svg;
+  }
+});
+
+$('#btnCopyLink').addEventListener('click', async () => {
+  const url = $('#shareUrl').value;
+  if (!url) { alert('Generează mai întâi link-ul cu butonul "Generează QR / link".'); return; }
+  try {
+    await navigator.clipboard.writeText(url);
+    const btn = $('#btnCopyLink');
+    const old = btn.textContent;
+    btn.textContent = 'Copiat!';
+    setTimeout(() => { btn.textContent = old; }, 1500);
+  } catch (_) {
+    /* fallback pentru file:// unde clipboard API e blocat */
+    const ta = document.createElement('textarea');
+    ta.value = url; ta.style.position = 'fixed'; ta.style.opacity = '0';
+    document.body.appendChild(ta); ta.select();
+    try { document.execCommand('copy'); } catch (_2) { alert('Copiază manual: ' + url); }
+    document.body.removeChild(ta);
+  }
+});
+
+$('#btnDownloadPlayer').addEventListener('click', () => {
+  download('player.html', playerHTML(), 'text/html');
+});
+
+$('#btnPrintQr').addEventListener('click', () => {
+  const svg = $('#qrCardSvg').innerHTML;
+  if (!svg) { alert('Generează mai întâi QR-ul cu butonul "Generează QR / link".'); return; }
+  $('#qrCard').classList.add('show');
+  window.print();
+  $('#qrCard').classList.remove('show');
+});
+
+$('#btnQrBack').addEventListener('click', () => {
+  $('#qrCard').classList.remove('show');
+});
+
 /* ---------- start ---------- */
 
 renderGlobals();
diff --git a/tests/AGENTS.md b/tests/AGENTS.md
index 3bf28f7..f9b3aff 100644
--- a/tests/AGENTS.md
+++ b/tests/AGENTS.md
@@ -5,7 +5,7 @@ Smoke + regresie + campanie E2E pentru jocurile generate. Verifică faptic: fiec
 până la ecranul final, fără erori de consolă.
 
 ## Ownership
-- `tests/smoke.mjs` — unicul fișier de teste (~35 teste).
+- `tests/smoke.mjs` — unicul fișier de teste (~41 teste).
 - `playwright.config.mjs` (la root, **gitignored**) — config dev.
 
 ## Local Contracts
@@ -13,27 +13,30 @@ până la ecranul final, fără erori de consolă.
   zero-dependențe. Instalarea dev e o singură dată: `npm i -D @playwright/test && npx playwright install chromium`.
 - **Fără npm scripts** — se rulează direct cu `npx`.
 - **Teste pe `file://`** — helper-ul `fileURL(name)` mapează cale relativă la `file://`; campania scrie
-  HTML temp generat via builder (`gameHTML`) și-l încarcă de pe `file://`.
+  HTML temp generat via builder (`gameHTML`) și-l încarcă de pe `file://`. Testele `@share` scriu
+  player HTML temp în `tests/.tmp-player*.html` (deleted în `finally`).
 - **Zero erori consolă = invariant.** `trackErrors(page)` colectează `console.error` + `pageerror`;
   fiecare test asertează `errors.length === 0` la final.
-- **Tag-uri:** `@regresie` (16 — exemplu-*.html + edge cases + mobil 320px + regenerare via gameHTML +
-  stil top-level invalid la import + bomberman gameplay + bomberman rază/powerup-uri) și `@campanie`
-  (21 — intro→hartă→camere→final, resume, cameră moartă, idempotență ușă, `$`/`$&`, beep, mobil,
-  audio S1, voce/narațiune D10, a11y tap/aria/reduced-motion, navigare overworld, timer calm T10,
-  muzica ambient T10, diploma A4, adventure branch-jump, adventure resume non-contiguu,
-  adventure regression non-adventure, adventure branch tf).
-- **Status țintă: 35/35 PASS.**
+- **Tag-uri:** `@regresie` (16), `@campanie` (21), `@share` (6 — Iterația 3):
+  - `@share compresie round-trip` — deflate/inflate builder
+  - `@share QR structural` — makeQrSvg SVG valid
+  - `@share playerHTML()` — structura HTML player
+  - `@share player porneste din hash` — campanie 1 cameră din URL hash; folosește `__ow.enterDoor(0)`
+  - `@share player fara hash` — mesaj „Niciun joc"
+  - `@share share UI` — butoane disabled fără CompressionStream
+- **Status țintă: 41/41 PASS.**
 
 ## Work Guidance
 - După modificări la motoare (`escape-builder.html`): rulează suita completă; extinde `@regresie` dacă
-  adaugi/schimbi un stil, `@campanie` pentru contractul de montare.
+  adaugi/schimbi un stil, `@campanie` pentru contractul de montare, `@share` pentru Iterația 3.
 - Nu testa pe screenshot-uri de pixeli — asertează stare/text/erori.
 
 ## Verification
 ```bash
-npx playwright test tests/smoke.mjs                    # 35/35
-npx playwright test tests/smoke.mjs --grep @regresie
-npx playwright test tests/smoke.mjs --grep @campanie
+npx playwright test tests/smoke.mjs                    # 41/41
+npx playwright test tests/smoke.mjs --grep @regresie   # 16
+npx playwright test tests/smoke.mjs --grep @campanie   # 21
+npx playwright test tests/smoke.mjs --grep @share      # 6
 ```
 
 ## Child DOX Index
diff --git a/tests/smoke.mjs b/tests/smoke.mjs
index d11eb20..a0ad787 100644
--- a/tests/smoke.mjs
+++ b/tests/smoke.mjs
@@ -1656,3 +1656,152 @@ test.describe('Campanie E2E @campanie', () => {
     });
 
 });
+
+// ═══════════════════════════════════════════════════════════════════════
+// SECTIUNEA 5 — SHARE (link + QR + player.html) @share
+// ═══════════════════════════════════════════════════════════════════════
+
+test.describe('Share: link + QR + player @share', () => {
+
+  test('@share compresie round-trip: inflate(deflate(s)) === s', async ({ page }) => {
+    const errors = trackErrors(page);
+    await page.goto(fileURL('escape-builder.html'));
+    const ok = await page.evaluate(async () => {
+      if (typeof deflateToBase64url !== 'function') return 'missing deflate';
+      if (typeof inflateFromBase64url !== 'function') return 'missing inflate';
+      const s = JSON.stringify({ title: 'Test', puzzles: [{ question: 'x', answer: '42' }] });
+      const compressed = await deflateToBase64url(s);
+      if (typeof compressed !== 'string' || compressed.length === 0) return 'empty compressed';
+      const decompressed = await inflateFromBase64url(compressed);
+      return decompressed === s ? 'ok' : 'mismatch';
+    });
+    expect(ok, 'round-trip result').toBe('ok');
+    expect(errors).toHaveLength(0);
+  });
+
+  test('@share QR structural: makeQrSvg produce SVG valid', async ({ page }) => {
+    const errors = trackErrors(page);
+    await page.goto(fileURL('escape-builder.html'));
+    const result = await page.evaluate(() => {
+      if (typeof makeQrSvg !== 'function') return { err: 'makeQrSvg missing' };
+      const svg = makeQrSvg('https://example.com/play.html#abc123');
+      if (!svg) return { err: 'null result' };
+      return { hasViewBox: svg.includes('viewBox'), hasPath: svg.includes('<path'), len: svg.length };
+    });
+    expect(result.err, 'error').toBeUndefined();
+    expect(result.hasViewBox, 'viewBox').toBe(true);
+    expect(result.hasPath, '<path').toBe(true);
+    expect(result.len, 'svg length').toBeGreaterThan(100);
+    expect(errors).toHaveLength(0);
+  });
+
+  test('@share playerHTML() genereaza HTML cu inflate + script run + TPL', async ({ page }) => {
+    const errors = trackErrors(page);
+    await page.goto(fileURL('escape-builder.html'));
+    const result = await page.evaluate(() => {
+      if (typeof playerHTML !== 'function') return { err: 'playerHTML missing' };
+      const html = playerHTML();
+      return {
+        hasInflate: html.includes('inflateFromBase64url'),
+        hasRunScript: html.includes('text/plain'),
+        hasTPL: html.includes('var TPL'),
+        len: html.length
+      };
+    });
+    expect(result.err, 'error').toBeUndefined();
+    expect(result.hasInflate, 'inflate helper').toBe(true);
+    expect(result.hasRunScript, 'text/plain run script').toBe(true);
+    expect(result.hasTPL, 'var TPL').toBe(true);
+    expect(result.len).toBeGreaterThan(5000);
+    expect(errors).toHaveLength(0);
+  });
+
+  test('@share player porneste din hash — campanie 1 camera, final vizibil', async ({ page }) => {
+    test.setTimeout(60000);
+    const errors = trackErrors(page);
+    await page.goto(fileURL('escape-builder.html'));
+    const { playerHtml, hash } = await page.evaluate(async () => {
+      const cfg = {
+        title: 'Test Player', player: '', color: '#6d28d9', style: 'campaign', creator: '',
+        charName: 'Alex', voice: false, music: false, adventure: false, timerMin: 0,
+        puzzles: [{ title: 'P1', type: 'free', question: 'Cat fac 1+1?', answer: '2',
+          tfAnswer: 'Adevarat', choices: '', hint: '', letter: 'A', style: 'classic', branch: {} }],
+        story: 'Povestea', finalMessage: 'Bravo!'
+      };
+      const compressed = await deflateToBase64url(JSON.stringify(cfg));
+      return { playerHtml: playerHTML(), hash: compressed };
+    });
+
+    const tmpPath = join(ROOT, 'tests', '.tmp-player.html');
+    writeFileSync(tmpPath, playerHtml);
+    const gp = await page.context().newPage();
+    const gameErrors = trackErrors(gp);
+    const consoleLogs = [];
+    gp.on('console', m => consoleLogs.push(m.type() + ': ' + m.text()));
+    try {
+      await gp.goto('file://' + tmpPath + '#' + hash);
+      await gp.waitForFunction(() => !!window.MASTER, { timeout: 10000 }).catch(e => { throw new Error('MASTER not set. Console: ' + consoleLogs.slice(0,5).join(' | ')); });
+      const title = await gp.evaluate(() => window.MASTER.title);
+      expect(title, 'MASTER.title').toBe('Test Player');
+
+      await gp.locator('#btn-start').click();
+      /* after start, overworld is shown; navigate to room 0 */
+      await gp.waitForFunction(() => window.__ow && window.__ow.state.active, null, { timeout: 8000 });
+      await gp.evaluate(() => window.__ow.enterDoor(0));
+      await gp.waitForFunction(
+        () => document.getElementById('room-frame')?.hasAttribute('data-room-ready'),
+        null, { timeout: 8000 }
+      );
+      const ifl = gp.frameLocator('#room-frame');
+      await ifl.locator('#btnStart').click();
+      await ifl.locator('#answers input[type=text]').fill('2');
+      await ifl.locator('#answers button:text("Verifica")').click();
+      await gp.waitForTimeout(1200);
+      await gp.waitForFunction(() => {
+        const fin = document.getElementById('finale');
+        return fin && fin.classList.contains('show');
+      }, { timeout: 10000 });
+    } finally {
+      await gp.close();
+      try { unlinkSync(tmpPath); } catch (_) {}
+    }
+    expect(gameErrors, 'Game errors:\n' + gameErrors.join('\n')).toHaveLength(0);
+    expect(errors).toHaveLength(0);
+  });
+
+  test('@share player fara hash — afiseaza mesaj niciun joc', async ({ page }) => {
+    const errors = trackErrors(page);
+    await page.goto(fileURL('escape-builder.html'));
+    const playerHtml = await page.evaluate(() => playerHTML());
+    const tmpPath = join(ROOT, 'tests', '.tmp-player-empty.html');
+    writeFileSync(tmpPath, playerHtml);
+    const gp = await page.context().newPage();
+    try {
+      await gp.goto('file://' + tmpPath);
+      await gp.waitForTimeout(600);
+      const txt = await gp.locator('#intro-title').textContent({ timeout: 3000 }).catch(() => '');
+      expect(txt, 'mesaj fara hash').toContain('Niciun joc');
+    } finally {
+      await gp.close();
+      try { unlinkSync(tmpPath); } catch (_) {}
+    }
+    expect(errors).toHaveLength(0);
+  });
+
+  test('@share share UI: butoane share disabled fara CompressionStream', async ({ page }) => {
+    await page.addInitScript(() => {
+      delete window.CompressionStream;
+      delete window.DecompressionStream;
+    });
+    const errors = trackErrors(page);
+    await page.goto(fileURL('escape-builder.html'));
+    const shareDisabled = await page.locator('#btnShare').isDisabled();
+    const copyDisabled  = await page.locator('#btnCopyLink').isDisabled();
+    expect(shareDisabled, 'btnShare disabled').toBe(true);
+    expect(copyDisabled,  'btnCopyLink disabled').toBe(true);
+    const dlEnabled = await page.locator('#btnDownloadPlayer').isEnabled();
+    expect(dlEnabled, 'btnDownloadPlayer enabled').toBe(true);
+    expect(errors).toHaveLength(0);
+  });
+
+});