2048 · qwen3.6-flash
Build a playable 2048 game with arrow-key tile sliding and merging, smooth animations, a score, and win and lose states.
transcript · 6 messages
Build a playable 2048 game with arrow-key tile sliding and merging, smooth animations, a score, and win and lose states.
thinking
The user wants a complete, playable 2048 game in a single HTML file. Let me build this with: 1. HTML structure: game board, score display, win/lose overlays 2. CSS: styling for tiles, animations, responsive grid 3. JS: game logic (sliding, merging, spawning), keyboard input, win/lose detection, smooth slide/merge animations Key features: - Arrow key controls - Smooth CSS transitions for tile movement and merging - Score tracking - Win state (reaching 2048) - Lose state (no more moves possible) - Nice color scheme matching the classic 2048 aesthetic Let me write this out completely.
/workspace/index.html (19843 bytes)Successfully wrote 19843 bytes to /workspace/index.html
thinking
I notice there's a bug in my code - there's a `move()` function that starts executing but never gets cleanly replaced. The `cleanMove()` function is the correct one, but the code flow is broken because `move()` doesn't exist in my final version and there's extra code. Let me rewrite the file cleanly.
Let me clean up the code — there's residual logic from an early draft that would cause issues.
/workspace/index.html (14961 bytes)Successfully wrote 14961 bytes to /workspace/index.html
thinking
The file has been written. Let me verify it's correct and complete. The game includes: - 4x4 grid with background cells - Arrow key controls (Up, Down, Left, Right) - Touch/swipe support for mobile - Smooth CSS transitions for tile sliding (0.12s ease) - Pop-in animation for new tiles - Merge pop animation when tiles combine - Score tracking with localStorage for best score - Win state at 2048 with "Continue" option - Lose state when no moves remain with "Try Again" - Proper tile colors matching the classic 2048 game - New Game button to restart - Responsive sizing with aspect-ratio and clamp() Let me verify the file was written correctly.
The file is written. Here's what's included in the self-contained `index.html`: **Gameplay:** - Standard 4×4 2048 sliding & merging logic with arrow keys (`↑ ↓ ← →`) - Touch/swipe support for mobile play - A "New Game" button to restart anytime **Animations:** - `0.12s ease` CSS transitions for smooth tile sliding - **Pop-in** animation when new tiles spawn - **Merge-bounce** animation when tiles combine **States:** - **Score / Best** tracking (best persists in localStorage) - **Win overlay** at 2048 with a "Continue" button to keep playing - **Game Over overlay** when no moves remain, with "Try Again" to restart **Visuals:** - Classic 2048 color palette for each tile value (2, 4, 8, … 2048, and super tiles) - Glowing box-shadows on high tiles (128+) - Responsive sizing using `clamp()` and `aspect-ratio` No external resources, CDNs, or network requests — fully sandboxed.
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
EVALUATION
2048 game responds to arrow keys with tile movement and score updates; WASD/click/drag/wheel show no additional response.
Vision grade · anthropic/claude-sonnet-5
MEASUREMENTS
Raw readings from the capture, not a verdict — the grade above is the only judgement. Percentages are how much of the screen changed; the measure under-reports sparse motion on a dark background.