2048 · gpt-6.1-sol
Output generated Cost / run $0.1509 Runtime 169.1s
Prompt for this run
Build a playable 2048 game with arrow-key tile sliding and merging, smooth animations, a score, and win and lose states.
TAKE IT TO CODE
A single self-contained HTML file — copy it and open in any browser, or reuse the prompt with your own pi-agent run.
RUN
METRICS
Transcript · 31 messages
Build a playable 2048 game with arrow-key tile sliding and merging, smooth animations, a score, and win and lose states.
{"command":"ls -la","timeout":10}total 12 drwx------ 3 node node 4096 Oct 5 00:38 . drwxrwxrwt 6 root root 4096 Oct 5 00:38 .. drwxr-xr-x 3 node node 4096 Oct 5 00:38 .home
thinking
**Designing game aesthetics** I need to create a polished and distinct aesthetic for the game. First, I'll use an ivory background with coral tiles and charcoal typography for the header titled "THE NUMBERS GAME." The main board will be 1000 pixels wide with a two-column layout. The viewport will be set at 1200x800, and I want a stylish, centered container for the logo and scores. I'll utilize a creamy light tan palette, with tiles in pale honey and salmon.**Implementing tile movement** I need to create real movement for the game using DOM with absolute tile IDs and transitions. This means merging and removing tiles with a delayed effect, locking the queue for 170 milliseconds. After movement, I'll spawn tiles, positioning them through transform and computed size in relation to the board. I should consider using CSS grid with a 16-background. Tiles will have fixed widths and calculated positions. I'll set up features like scoring, detecting game over, and providing instructions for how to play.**Designing the game header** I'm working on the top label design for the game, featuring a small circle logo for "the daily play" alongside a header that says, "A LITTLE FOCUS. A LOT OF POSSIBILITY." The main title will be "A classic, reimagined," with "2048" in a large coral serif font. The board will have smooth borders, a background color of #d6d0c4, and tiles with specific color codes for numbers. I also want to include key icons for guidance and align the scorecards nicely with the board.
I’ll build a polished, keyboard-playable 2048 game with animated tiles, score tracking, undo, and win/lose screens.
index.html (16781 bytes)Successfully wrote to index.html
{"action":"reload","x":0,"y":0,"toX":0,"toY":0,"text":"","delta":0}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"a little daily play\nUNPLUG. FOCUS. FIND YOUR FLOW.\n2048.\nA simple game.\nEndless possibilities.\nSCORE\n0\nPERSONAL BEST\n0\n2\n4\nYour next move awaits\n0 moves\nMAKE A LITTLE ROOM FOR PLAY\nSmall moves.\nBig possibilities.\n\nSlide the tiles. Match the numbers.\nKeep going until you reach 2048.\n\nNew game\n↗\n↶\nUndo\n↑\n←\n↓\n→\n\nUse your arrow keys to move.\nMatching tiles merge into one.\nOn mobile? Just swipe.\n\nA little strategy goes a long way.\nTry keeping your highest tile in a corner.\nNo rush. No distractions. Just one more move.\nTHE GOAL\n2048","images":"attached"}
{"action":"key","x":0,"y":0,"toX":0,"toY":0,"text":"ArrowLeft","delta":0}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"a little daily play\nUNPLUG. FOCUS. FIND YOUR FLOW.\n2048.\nA simple game.\nEndless possibilities.\nSCORE\n0\nPERSONAL BEST\n0\n2\n4\nYour next move awaits\n0 moves\nMAKE A LITTLE ROOM FOR PLAY\nSmall moves.\nBig possibilities.\n\nSlide the tiles. Match the numbers.\nKeep going until you reach 2048.\n\nNew game\n↗\n↶\nUndo\n↑\n←\n↓\n→\n\nUse your arrow keys to move.\nMatching tiles merge into one.\nOn mobile? Just swipe.\n\nA little strategy goes a long way.\nTry keeping your highest tile in a corner.\nNo rush. No distractions. Just one more move.\nTHE GOAL\n2048","images":"attached"}
{"action":"inspect","x":0,"y":0,"toX":0,"toY":0,"text":"","delta":0}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"a little daily play\nUNPLUG. FOCUS. FIND YOUR FLOW.\n2048.\nA simple game.\nEndless possibilities.\nSCORE\n0\nPERSONAL BEST\n0\n2\n4\n2\nOne move closer\n1 move\nMAKE A LITTLE ROOM FOR PLAY\nSmall moves.\nBig possibilities.\n\nSlide the tiles. Match the numbers.\nKeep going until you reach 2048.\n\nNew game\n↗\n↶\nUndo\n↑\n←\n↓\n→\n\nUse your arrow keys to move.\nMatching tiles merge into one.\nOn mobile? Just swipe.\n\nA little strategy goes a long way.\nTry keeping your highest tile in a corner.\nNo rush. No distractions. Just one more move.\nTHE GOAL\n2048","images":"attached"}
thinking
{"action":"key","x":0,"y":0,"toX":0,"toY":0,"text":"ArrowRight","delta":0}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"a little daily play\nUNPLUG. FOCUS. FIND YOUR FLOW.\n2048.\nA simple game.\nEndless possibilities.\nSCORE\n0\nPERSONAL BEST\n0\n2\n4\n2\nOne move closer\n1 move\nMAKE A LITTLE ROOM FOR PLAY\nSmall moves.\nBig possibilities.\n\nSlide the tiles. Match the numbers.\nKeep going until you reach 2048.\n\nNew game\n↗\n↶\nUndo\n↑\n←\n↓\n→\n\nUse your arrow keys to move.\nMatching tiles merge into one.\nOn mobile? Just swipe.\n\nA little strategy goes a long way.\nTry keeping your highest tile in a corner.\nNo rush. No distractions. Just one more move.\nTHE GOAL\n2048","images":"attached"}
{"action":"key","x":0,"y":0,"toX":0,"toY":0,"text":"ArrowDown","delta":0}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"a little daily play\nUNPLUG. FOCUS. FIND YOUR FLOW.\n2048.\nA simple game.\nEndless possibilities.\nSCORE\n0\nPERSONAL BEST\n0\n2\n4\n2\n2\nOne move closer\n2 moves\nMAKE A LITTLE ROOM FOR PLAY\nSmall moves.\nBig possibilities.\n\nSlide the tiles. Match the numbers.\nKeep going until you reach 2048.\n\nNew game\n↗\n↶\nUndo\n↑\n←\n↓\n→\n\nUse your arrow keys to move.\nMatching tiles merge into one.\nOn mobile? Just swipe.\n\nA little strategy goes a long way.\nTry keeping your highest tile in a corner.\nNo rush. No distractions. Just one more move.\nTHE GOAL\n2048","images":"attached"}
{"action":"inspect","x":0,"y":0,"toX":0,"toY":0,"text":"","delta":0}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"a little daily play\nUNPLUG. FOCUS. FIND YOUR FLOW.\n2048.\nA simple game.\nEndless possibilities.\nSCORE\n4\nPERSONAL BEST\n4\n4\n4\n2\n2\nOne move closer\n3 moves\nMAKE A LITTLE ROOM FOR PLAY\nSmall moves.\nBig possibilities.\n\nSlide the tiles. Match the numbers.\nKeep going until you reach 2048.\n\nNew game\n↗\n↶\nUndo\n↑\n←\n↓\n→\n\nUse your arrow keys to move.\nMatching tiles merge into one.\nOn mobile? Just swipe.\n\nA little strategy goes a long way.\nTry keeping your highest tile in a corner.\nNo rush. No distractions. Just one more move.\nTHE GOAL\n2048","images":"attached"}
{"action":"click","x":857,"y":472,"toX":0,"toY":0,"text":"","delta":0}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"a little daily play\nUNPLUG. FOCUS. FIND YOUR FLOW.\n2048.\nA simple game.\nEndless possibilities.\nSCORE\n0\nPERSONAL BEST\n4\n2\n2\n4\n2\nA fresh perspective\n2 moves\nMAKE A LITTLE ROOM FOR PLAY\nSmall moves.\nBig possibilities.\n\nSlide the tiles. Match the numbers.\nKeep going until you reach 2048.\n\nNew game\n↗\n↶\nUndo\n↑\n←\n↓\n→\n\nUse your arrow keys to move.\nMatching tiles merge into one.\nOn mobile? Just swipe.\n\nA little strategy goes a long way.\nTry keeping your highest tile in a corner.\nLast move undone.\nNo rush. No distractions. Just one more move.\nTHE GOAL\n2048","images":"attached"}
thinking
**Evaluating test setup** I need to consider whether I really need to overcomplicate things. I'm testing states using a mocked DOM in memory since no files are possible. I can create a stub that collects tiles and run a deterministic setup by injecting test hooks with string replacements. While using a mock DOM can be cumbersome, I'm wondering if I should use Node Playwright instead. Let's see how that could simplify my process!
{"command":"node -e \"try { console.log(require.resolve('playwright')) } catch(e) { console.log('no playwright') }\"","timeout":10}no playwright
thinking
{"command":"node <<'NODE'\nconst fs=require('fs'),vm=require('vm'),assert=require('assert');\nconst nodes=new Map();\nclass Element {\n consnode:assert:152 throw new AssertionError(obj); ^ AssertionError [ERR_ASSERTION]: false == true at [stdin]:18:127 at runScriptInThisContext (node:internal/vm:219:10) at node:internal/process/execution:451:12 at [stdin]-wrapper:6:24 at runScriptInContext (node:internal/process/execution:449:60) at evalFunction (node:internal/process/execution:283:30) at evalTypeScript (node:internal/process/execution:295:3) at node:internal/main/eval_stdin:51:5 at Socket.<anonymous> (node:internal/process/execution:205:5) at Socket.emit (node:events:521:24) { generatedMessage: true, code: 'ERR_ASSERTION', actual: false, expected: true, operator: '==', diff: 'simple' } Node.js v24.18.0 Command exited with code 1
thinking
{"command":"node <<'NODE'\nconst fs=require('fs'),vm=require('vm'),assert=require('assert'),nodes=new Map(),pending=[];let cells;\nclass E{cPassed: pairwise merges, score, undo, win, no-move detection, loss, reset.
thinking
**Adjusting page layout** I'm aiming to adjust the footer cutoff to minor 800, with a total page height of 820. I think I need to reduce the footer margin to 30 and modify the top page padding to 32. Since the current footer bottom is at 800, this needs to shift. If I reduce the footer from 40 to 28, that gives me a sufficient drop. I suspect adjusting the margins is the way to go, with top at 30 and bottom at 20. That seems good!
{"path":"index.html","edits":[{"oldText":".footer{margin-top:40px;padding-top:20px;","newText":".footer{margin-top:28px;padding-top:20px;"}]Successfully replaced 1 block(s) in index.html.
{"action":"reload","x":0,"y":0,"toX":0,"toY":0,"text":"","delta":0}Frame 1, +1ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"a little daily play\nUNPLUG. FOCUS. FIND YOUR FLOW.\n2048.\nA simple game.\nEndless possibilities.\nSCORE\n0\nPERSONAL BEST\n0\n2\n2\nYour next move awaits\n0 moves\nMAKE A LITTLE ROOM FOR PLAY\nSmall moves.\nBig possibilities.\n\nSlide the tiles. Match the numbers.\nKeep going until you reach 2048.\n\nNew game\n↗\n↶\nUndo\n↑\n←\n↓\n→\n\nUse your arrow keys to move.\nMatching tiles merge into one.\nOn mobile? Just swipe.\n\nA little strategy goes a long way.\nTry keeping your highest tile in a corner.\nNo rush. No distractions. Just one more move.\nTHE GOAL\n2048","images":"attached"}
Built in `index.html` — fully self-contained and offline-ready. Features: - Arrow-key controls and mobile swiping - Smooth sliding and merge animations - Score and saved personal best - Undo and new game buttons - Win and game-over screens Tested movement, merging, scoring, undo, and win/lose logic.