Grok 4.3 (Venice) on Build a full game (code, art, audio) with AI

{"turn": 1, "response": {"id": "7934be71-8fe7-9ae7-9b7f-c75f5a50b4e9", "object": "chat.completion", "created": 1792023768, "model": "grok-4-3", "choices": [{"index": 0, "message": {"role": "assistant", "content": null, "refusal": null, "reasoning_content": "Planning a single-file HTML arcade game about a capybara crossing a river.\n\nThe game will be a Frogger-style capybara crossing. I will write the entire HTML file in one pass, using canvas for art and Web Audio API for sound.\n\nSettled on a vertical capybara platformer. The player will move up and down to hop between floating logs, avoiding crocodiles in the river. Difficulty will increase as the capybara climbs higher.\n\nArrow keys will control the capybara. Score will come from reaching higher lanes. Obstacles will speed up and multiply as the player climbs. Audio will use Web Audio API oscillators for chiptune music and sound effects.\n\n[encrypted reasoning omitted, 2991 chars]", "reasoning_encrypted": true, "reasoning_details": [{"type": "reasoning.encrypted", "format": "xai-responses-v1", "index": 0, "id": "rs_7934be71-8fe7-9ae7-9b7f-c75f5a50b4e9", "data": "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"}], "tool_calls": [{"id": "call-a241e482-e4ac-4709-93f5-634e0e2b71ce-0", "type": "function", "function": {"name": "write_file", "arguments": "{\"path\":\"index.html\",\"content\":\"<!DOCTYPE html>\\n<html lang=\\\"en\\\">\\n<head>\\n<meta charset=\\\"UTF-8\\\">\\n<title>Capybara River Run</title>\\n<style>\\nbody { margin:0; background:#112; color:#fff; font-family:monospace; display:flex; align-items:center; justify-content:center; height:100vh; }\\ncanvas { border:4px solid #0a4; image-rendering:pixelated; }\\n#ui { position:absolute; text-align:center; }\\nh1 { font-size:42px; margin:0 0 20px; text-shadow:3px 3px #0a4; }\\nbutton { font-size:24px; padding:10px 40px; background:#0a4; color:#fff; border:none; cursor:pointer; }\\nbutton:hover { background:#0f6; }\\n#score { position:absolute; top:10px; left:10px; font-size:20px; }\\n</style>\\n</head>\\n<body>\\n<canvas id=\\\"c\\\" width=\\\"640\\\" height=\\\"480\\\"></canvas>\\n<div id=\\\"ui\\\">\\n<h1>CAPYBARA<br>RIVER RUN</h1>\\n<button id=\\\"start\\\">START</button>\\n</div>\\n<div id=\\\"score\\\" style=\\\"display:none\\\"></div>\\n<script>\\nconst canvas = document.getElementById('c');\\nconst ctx = canvas.getContext('2d');\\nconst W = 640, H = 480;\\nlet state = 'title', score = 0, high = localStorage.getItem('capyHigh') || 0;\\nlet capy = {x: W/2-20, y: H-60, w:40, h:30, vx:0, vy:0};\\nlet logs = [], crocs = [];\\nlet keys = {};\\nlet level = 1, time = 0;\\nlet audioCtx, bgOsc, bgGain;\\n\\nfunction initAudio() {\\n  if (audioCtx) return;\\n  audioCtx = new (window.AudioContext || window.webkitAudioContext)();\\n}\\n\\nfunction playSFX(type) {\\n  if (!audioCtx) return;\\n  const o = audioCtx.createOscillator();\\n  const g = audioCtx.createGain();\\n  o.connect(g); g.connect(audioCtx.destination);\\n  if (type === 'jump') { o.type='sawtooth'; o.frequency.value=300; g.gain.value=0.3; setTimeout(()=>{o.frequency.value=600},80); }\\n  else if (type === 'die') { o.type='square'; o.frequency.value=150; g.gain.value=0.4; }\\n  else if (type === 'win') { o.type='sine'; o.frequency.value=800; g.gain.value=0.3; }\\n  g.gain.linearRampToValueAtTime(0, audioCtx.currentTime + (type==='win'?0.6:0.4));\\n  o.start(); setTimeout(()=>o.stop(), type==='win'?700:500);\\n}\\n\\nfunction startMusic() {\\n  if (!audioCtx || bgOsc) return;\\n  bgOsc = audioCtx.createOscillator();\\n  bgGain = audioCtx.createGain();\\n  const f = audioCtx.createBiquadFilter();\\n  bgOsc.type = 'sawtooth';\\n  bgOsc.frequency.value = 80;\\n  f.type = 'lowpass'; f.frequency.value = 400;\\n  bgGain.gain.value = 0.08;\\n  bgOsc.connect(f); f.connect(bgGain); bgGain.connect(audioCtx.destination);\\n  bgOsc.start();\\n  setInterval(() => { if (bgOsc) bgOsc.frequency.value = 80 + Math.sin(Date.now()/800)*8; }, 100);\\n}\\n\\nfunction stopMusic() { if (bgOsc) { bgOsc.stop(); bgOsc = null; } }\\n\\nfunction resetGame() {\\n  capy = {x: W/2-20, y: H-60, w:40, h:30, vx:0, vy:0};\\n  logs = []; crocs = [];\\n  for (let i=0; i<5; i++) {\\n    logs.push({x: Math.random()*W, y: 120 + i*55, w:80+Math.random()*40, vx: (i%2?-1:1)*(1.2+level*0.3)});\\n    crocs.push({x: Math.random()*W, y: 150 + i*55, w:50, vx: (i%2?1:-1)*(1.5+level*0.4)});\\n  }\\n  score = 0; level=1; time=0;\\n}\\n\\nfunction update() {\\n  if (state !== 'play') return;\\n  time++;\\n  if (time % 600 === 0) { level++; }\\n  // input\\n  capy.vx = 0; capy.vy = 0;\\n  if (keys['ArrowLeft']) capy.vx = -4;\\n  if (keys['ArrowRight']) capy.vx = 4;\\n  if (keys['ArrowUp']) capy.vy = -4;\\n  if (keys['ArrowDown']) capy.vy = 4;\\n  capy.x += capy.vx; capy.y += capy.vy;\\n  capy.x = Math.max(0, Math.min(W-capy.w, capy.x));\\n  capy.y = Math.max(60, Math.min(H-40, capy.y));\\n  // logs & crocs\\n  let onLog = false;\\n  logs.forEach(l => {\\n    l.x += l.vx;\\n    if (l.x < -l.w) l.x = W;\\n    if (l.x > W) l.x = -l.w;\\n    if (capy.y + capy.h > l.y && capy.y < l.y + 25 && capy.x + capy.w > l.x && capy.x < l.x + l.w) {\\n      onLog = true; capy.x += l.vx;\\n    }\\n  });\\n  crocs.forEach(c => {\\n    c.x += c.vx;\\n    if (c.x < -c.w) c.x = W;\\n    if (c.x > W) c.x = -c.w;\\n    if (capy.y + capy.h > c.y && capy.y < c.y + 20 && capy.x + capy.w > c.x && capy.x < c.x + c.w) {\\n      state = 'over'; playSFX('die'); stopMusic();\\n    }\\n  });\\n  if (capy.y < 90 && !onLog) { // water without log\\n    state = 'over'; playSFX('die'); stopMusic();\\n  }\\n  if (capy.y < 70) { // reached top\\n    score += 100 + level*20;\\n    playSFX('win');\\n    capy.y = H-60; level++;\\n    if (score > high) { high = score; localStorage.setItem('capyHigh', high); }\\n  }\\n  document.getElementById('score').innerText = 'SCORE: ' + score + '  HIGH: ' + high + '  LVL:' + level;\\n}\\n\\nfunction drawCapy(x,y) {\\n  ctx.fillStyle = '#8a6';\\n  ctx.fillRect(x+5, y+5, 30, 20); // body\\n  ctx.fillStyle = '#5a4';\\n  ctx.fillRect(x+8, y+10, 24, 10); // darker\\n  ctx.fillStyle = '#000';\\n  ctx.fillRect(x+10, y+8, 6, 4); // eye\\n  ctx.fillRect(x+24, y+8, 6, 4);\\n  ctx.fillStyle = '#f93';\\n  ctx.fillRect(x+15, y+22, 10, 6); // snout\\n}\\n\\nfunction draw() {\\n  ctx.fillStyle = '#134';\\n  ctx.fillRect(0,0,W,H);\\n  // river\\n  ctx.fillStyle = '#06a';\\n  ctx.fillRect(0,70, W, 280);\\n  // banks\\n  ctx.fillStyle = '#382';\\n  ctx.fillRect(0,0,W,70);\\n  ctx.fillRect(0,H-50,W,50);\\n  // logs\\n  ctx.fillStyle = '#853';\\n  logs.forEach(l => ctx.fillRect(l.x, l.y, l.w, 22));\\n  // crocs\\n  ctx.fillStyle = '#282';\\n  crocs.forEach(c => { ctx.fillRect(c.x, c.y, c.w, 18); ctx.fillRect(c.x+10, c.y-4, 20, 8); });\\n  // capy\\n  drawCapy(capy.x, capy.y);\\n  // goal flag\\n  ctx.fillStyle = '#ff0';\\n  ctx.fillRect(W/2-5, 30, 10, 40);\\n  ctx.fillRect(W/2-15, 25, 30, 8);\\n}\\n\\nfunction loop() {\\n  update();\\n  draw();\\n  if (state === 'play') requestAnimationFrame(loop);\\n  else if (state === 'over') showGameOver();\\n}\\n\\nfunction showTitle() {\\n  document.getElementById('ui').style.display = 'block';\\n  document.getElementById('score').style.display = 'none';\\n  ctx.fillStyle = '#112';\\n  ctx.fillRect(0,0,W,H);\\n  ctx.fillStyle = '#0a4';\\n  ctx.font = '20px monospace';\\n  ctx.fillText('HIGH SCORE: ' + high, 220, 300);\\n}\\n\\nfunction showGameOver() {\\n  document.getElementById('ui').innerHTML = '<h1>GAME OVER</h1><p>SCORE: '+score+'</p><button id=\\\"restart\\\">RESTART</button>';\\n  document.getElementById('ui').style.display = 'block';\\n  document.getElementById('restart').onclick = () => {\\n    document.getElementById('ui').innerHTML = '<h1>CAPYBARA<br>RIVER RUN</h1><button id=\\\"start\\\">START</button>';\\n    document.getElementById('start').onclick = startGame;\\n    state = 'title'; showTitle();\\n  };\\n}\\n\\nfunction startGame() {\\n  initAudio();\\n  startMusic();\\n  resetGame();\\n  state = 'play';\\n  document.getElementById('ui').style.display = 'none';\\n  document.getElementById('score').style.display = 'block';\\n  document.getElementById('score').innerText = 'SCORE: 0  HIGH: ' + high + '  LVL:1';\\n  loop();\\n}\\n\\ndocument.getElementById('start').onclick = startGame;\\n\\nwindow.onkeydown = e => { keys[e.key] = true; if (e.key === 'r' && state==='over') location.reload(); };\\nwindow.onkeyup = e => keys[e.key] = false;\\n\\nshowTitle();\\n</script>\\n</body>\\n</html>\"}"}}]}, "finish_reason": "tool_calls", "logprobs": null}], "usage": {"prompt_tokens": 590, "completion_tokens": 2854, "total_tokens": 3444, "prompt_tokens_details": {"cached_tokens": 128}, "cache_read_input_tokens": 128, "completion_tokens_details": {"reasoning_tokens": 501}}, "cost": {"usd": 0, "diem": 0.0087623}, "venice_parameters": {"strip_thinking_response": false, "disable_thinking": false, "enable_e2ee": true, "enable_web_search": "off", "enable_web_scraping": false, "enable_web_citations": false, "include_search_results_in_stream": false, "include_venice_system_prompt": false, "enable_x_search": false, "web_search_citations": [], "return_search_results_as_documents": false}}}
{"turn": 1, "tool": "write_file", "args": {"path": "index.html", "content": "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<title>Capybara River Run</title>\n<style>\nbody { margin:0; background:#112; color:#fff; font-family:monospace; display:flex; align-items:center; justify-content:center; height:100vh; }\ncanvas { border:4px solid #0a4; image-rendering:pixelated; }\n#ui { position:absolute; text-align:center; }\nh1 { font-size:42px; margin:0 0 20px; text-shadow:3px 3px #0a4; }\nbutton { font-size:24px; padding:10px 40px; background:#0a4; color:#fff; border:none; cursor:pointer; }\nbutton:hover { background:#0f6; }\n#score { position:absolute; top:10px; left:10px; font-size:20px; }\n</style>\n</head>\n<body>\n<canvas id=\"c\" width=\"640\" height=\"480\"></canvas>\n<div id=\"ui\">\n<h1>CAPYBARA<br>RIVER RUN</h1>\n<button id=\"start\">START</button>\n</div>\n<div id=\"score\" style=\"display:none\"></div>\n<script>\nconst canvas = document.getElementById('c');\nconst ctx = canvas.getContext('2d');\nconst W = 640, H = 480;\nlet state = 'title', score = 0, high = localStorage.getItem('capyHigh') || 0;\nlet capy = {x: W/2-20, y: H-60, w:40, h:30, vx:0, vy:0};\nlet logs = [], crocs = [];\nlet keys = {};\nlet level = 1, time = 0;\nlet audioCtx, bgOsc, bgGain;\n\nfunction initAudio() {\n  if (audioCtx) return;\n  audioCtx = new (window.AudioContext || window.webkitAudioContext)();\n}\n\nfunction playSFX(type) {\n  if (!audioCtx) return;\n  const o = audioCtx.createOscillator();\n  const g = audioCtx.createGain();\n  o.connect(g); g.connect(audioCtx.destination);\n  if (type === 'jump') { o.type='sawtooth'; o.frequency.value=300; g.gain.value=0.3; setTimeout(()=>{o.frequency.value=600},80); }\n  else if (type === 'die') { o.type='square'; o.frequency.value=150; g.gain.value=0.4; }\n  else if (type === 'win') { o.type='sine'; o.frequency.value=800; g.gain.value=0.3; }\n  g.gain.linearRampToValueAtTime(0, audioCtx.currentTime + (type==='win'?0.6:0.4));\n  o.start(); setTimeout(()=>o.stop(), type==='win'?700:500);\n}\n\nfunction startMusic() {\n  if (!audioCtx || bgOsc) return;\n  bgOsc = audioCtx.createOscillator();\n  bgGain = audioCtx.createGain();\n  const f = audioCtx.createBiquadFilter();\n  bgOsc.type = 'sawtooth';\n  bgOsc.frequency.value = 80;\n  f.type = 'lowpass'; f.frequency.value = 400;\n  bgGain.gain.value = 0.08;\n  bgOsc.connect(f); f.connect(bgGain); bgGain.connect(audioCtx.destination);\n  bgOsc.start();\n  setInterval(() => { if (bgOsc) bgOsc.frequency.value = 80 + Math.sin(Date.now()/800)*8; }, 100);\n}\n\nfunction stopMusic() { if (bgOsc) { bgOsc.stop(); bgOsc = null; } }\n\nfunction resetGame() {\n  capy = {x: W/2-20, y: H-60, w:40, h:30, vx:0, vy:0};\n  logs = []; crocs = [];\n  for (let i=0; i<5; i++) {\n    logs.push({x: Math.random()*W, y: 120 + i*55, w:80+Math.random()*40, vx: (i%2?-1:1)*(1.2+level*0.3)});\n    crocs.push({x: Math.random()*W, y: 150 + i*55, w:50, vx: (i%2?1:-1)*(1.5+level*0.4)});\n  }\n  score = 0; level=1; time=0;\n}\n\nfunction update() {\n  if (state !== 'play') return;\n  time++;\n  if (time % 600 === 0) { level++; }\n  // input\n  capy.vx = 0; capy.vy = 0;\n  if (keys['ArrowLeft']) capy.vx = -4;\n  if (keys['ArrowRight']) capy.vx = 4;\n  if (keys['ArrowUp']) capy.vy = -4;\n  if (keys['ArrowDown']) capy.vy = 4;\n  capy.x += capy.vx; capy.y += capy.vy;\n  capy.x = Math.max(0, Math.min(W-capy.w, capy.x));\n  capy.y = Math.max(60, Math.min(H-40, capy.y));\n  // logs & crocs\n  let onLog = false;\n  logs.forEach(l => {\n    l.x += l.vx;\n    if (l.x < -l.w) l.x = W;\n    if (l.x > W) l.x = -l.w;\n    if (capy.y + capy.h > l.y && capy.y < l.y + 25 && capy.x + capy.w > l.x && capy.x < l.x + l.w) {\n      onLog = true; capy.x += l.vx;\n    }\n  });\n  crocs.forEach(c => {\n    c.x += c.vx;\n    if (c.x < -c.w) c.x = W;\n    if (c.x > W) c.x = -c.w;\n    if (capy.y + capy.h > c.y && capy.y < c.y + 20 && capy.x + capy.w > c.x && capy.x < c.x + c.w) {\n      state = 'over'; playSFX('die'); stopMusic();\n    }\n  });\n  if (capy.y < 90 && !onLog) { // water without log\n    state = 'over'; playSFX('die'); stopMusic();\n  }\n  if (capy.y < 70) { // reached top\n    score += 100 + level*20;\n    playSFX('win');\n    capy.y = H-60; level++;\n    if (score > high) { high = score; localStorage.setItem('capyHigh', high); }\n  }\n  document.getElementById('score').innerText = 'SCORE: ' + score + '  HIGH: ' + high + '  LVL:' + level;\n}\n\nfunction drawCapy(x,y) {\n  ctx.fillStyle = '#8a6';\n  ctx.fillRect(x+5, y+5, 30, 20); // body\n  ctx.fillStyle = '#5a4';\n  ctx.fillRect(x+8, y+10, 24, 10); // darker\n  ctx.fillStyle = '#000';\n  ctx.fillRect(x+10, y+8, 6, 4); // eye\n  ctx.fillRect(x+24, y+8, 6, 4);\n  ctx.fillStyle = '#f93';\n  ctx.fillRect(x+15, y+22, 10, 6); // snout\n}\n\nfunction draw() {\n  ctx.fillStyle = '#134';\n  ctx.fillRect(0,0,W,H);\n  // river\n  ctx.fillStyle = '#06a';\n  ctx.fillRect(0,70, W, 280);\n  // banks\n  ctx.fillStyle = '#382';\n  ctx.fillRect(0,0,W,70);\n  ctx.fillRect(0,H-50,W,50);\n  // logs\n  ctx.fillStyle = '#853';\n  logs.forEach(l => ctx.fillRect(l.x, l.y, l.w, 22));\n  // crocs\n  ctx.fillStyle = '#282';\n  crocs.forEach(c => { ctx.fillRect(c.x, c.y, c.w, 18); ctx.fillRect(c.x+10, c.y-4, 20, 8); });\n  // capy\n  drawCapy(capy.x, capy.y);\n  // goal flag\n  ctx.fillStyle = '#ff0';\n  ctx.fillRect(W/2-5, 30, 10, 40);\n  ctx.fillRect(W/2-15, 25, 30, 8);\n}\n\nfunction loop() {\n  update();\n  draw();\n  if (state === 'play') requestAnimationFrame(loop);\n  else if (state === 'over') showGameOver();\n}\n\nfunction showTitle() {\n  document.getElementById('ui').style.display = 'block';\n  document.getElementById('score').style.display = 'none';\n  ctx.fillStyle = '#112';\n  ctx.fillRect(0,0,W,H);\n  ctx.fillStyle = '#0a4';\n  ctx.font = '20px monospace';\n  ctx.fillText('HIGH SCORE: ' + high, 220, 300);\n}\n\nfunction showGameOver() {\n  document.getElementById('ui').innerHTML = '<h1>GAME OVER</h1><p>SCORE: '+score+'</p><button id=\"restart\">RESTART</button>';\n  document.getElementById('ui').style.display = 'block';\n  document.getElementById('restart').onclick = () => {\n    document.getElementById('ui').innerHTML = '<h1>CAPYBARA<br>RIVER RUN</h1><button id=\"start\">START</button>';\n    document.getElementById('start').onclick = startGame;\n    state = 'title'; showTitle();\n  };\n}\n\nfunction startGame() {\n  initAudio();\n  startMusic();\n  resetGame();\n  state = 'play';\n  document.getElementById('ui').style.display = 'none';\n  document.getElementById('score').style.display = 'block';\n  document.getElementById('score').innerText = 'SCORE: 0  HIGH: ' + high + '  LVL:1';\n  loop();\n}\n\ndocument.getElementById('start').onclick = startGame;\n\nwindow.onkeydown = e => { keys[e.key] = true; if (e.key === 'r' && state==='over') location.reload(); };\nwindow.onkeyup = e => keys[e.key] = false;\n\nshowTitle();\n</script>\n</body>\n</html>"}, "result": "wrote 6654 chars"}
{"turn": 2, "response": {"id": "ca0b3038-ea8c-924a-b2df-e9e1eb82d15b", "object": "chat.completion", "created": 1792023791, "model": "grok-4-3", "choices": [{"index": 0, "message": {"role": "assistant", "content": "**Done.** Single-file `index.html` arcade game built with all requested features.", "refusal": null, "reasoning_content": "[encrypted reasoning omitted, 538 chars]", "reasoning_encrypted": true, "reasoning_details": [{"type": "reasoning.encrypted", "format": "xai-responses-v1", "index": 0, "id": "rs_ca0b3038-ea8c-924a-b2df-e9e1eb82d15b", "data": "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"}]}, "finish_reason": "stop", "logprobs": null}], "usage": {"prompt_tokens": 2954, "completion_tokens": 104, "total_tokens": 3058, "prompt_tokens_details": {"cached_tokens": 512}, "cache_read_input_tokens": 512, "completion_tokens_details": {"reasoning_tokens": 87}}, "cost": {"usd": 0, "diem": 0.00387972}, "venice_parameters": {"strip_thinking_response": false, "disable_thinking": false, "enable_e2ee": true, "enable_web_search": "off", "enable_web_scraping": false, "enable_web_citations": false, "include_search_results_in_stream": false, "include_venice_system_prompt": false, "enable_x_search": false, "web_search_citations": [], "return_search_results_as_documents": false}}}