Space Invaders · minimax-m2.1
Build a playable Space Invaders game on a canvas: a player cannon that moves and shoots, a descending grid of aliens that advance and fire back, destructible bunkers, score, and lives. Procedural graphics only, no external assets.
transcript · 8 messages
Build a playable Space Invaders game on a canvas: a player cannon that moves and shoots, a descending grid of aliens that advance and fire back, destructible bunkers, score, and lives. Procedural graphics only, no external assets.
thinking
The user wants me to build a Space Invaders game. Let me plan this out: 1. Single HTML file with everything inline (CSS, JS, HTML) 2. Canvas-based game 3. Features needed: - Player cannon that moves left/right and shoots - Grid of aliens that descend and fire back - Destructible bunkers (shields) - Score system - Lives system - Procedural graphics (no external assets) Let me create a comprehensive Space Invaders game with all these features.
/tmp/ws/index.html (27049 bytes)Successfully wrote 27049 bytes to /tmp/ws/index.html
thinking
I've created a complete Space Invaders game. Let me verify the file exists and then summarize what I've built.
{"command":"ls -la /tmp/ws/index.html"}-rw-r--r--. 1 node node 27053 Aug 1 20:49 /tmp/ws/index.html
thinking
The file exists. Let me verify that it's valid by checking if it has all the key components.
{"command":"head -50 /tmp/ws/index.html && echo \"...\" && tail -30 /tmp/ws/index.html"}<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Space Invaders</title> <style> * { margin: 0; padding: 0; box-sizing: border-box; } body { background: #0a0a0a; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; font-family: 'Courier New', monospace; color: #0f0; overflow: hidden; } h1 { font-size: 2rem; margin-bottom: 10px; text-shadow: 0 0 10px #0f0, 0 0 20px #0f0; letter-spacing: 4px; } #gameContainer { position: relative; border: 3px solid #0f0; box-shadow: 0 0 20px #0f0, inset 0 0 20px rgba(0, 255, 0, 0.1); } canvas { display: block; background: #000; } #ui { display: flex; justify-content: space-between; width: 800px; padding: 10px 20px; font-size: 1.2rem; text-shadow: 0 0 5px #0f0; ... lives = 3; level = 1; initStars(); init(); gameRunning = true; gameLoop(); } // Input handlers document.addEventListener('keydown', e => { keys[e.code] = true; if (['Space', 'ArrowUp', 'ArrowDown', 'Enter'].includes(e.code)) { e.preventDefault(); } }); document.addEventListener('keyup', e => { keys[e.code] = false; }); // Initial star background initStars(); ctx.fillStyle = '#000'; ctx.fillRect(0, 0, CANVAS_WIDTH, CANVAS_HEIGHT); drawStars(); </script> </body> </html>
thinking
The file looks good and complete. Let me summarize what was built.
The Space Invaders game has been created at `/tmp/ws/index.html`. Here's what's included: **Gameplay Features:** - ✅ Player cannon that moves left/right (arrow keys or A/D) and shoots (space or enter) - ✅ 5 rows × 11 columns of aliens (55 total) in 3 different procedural sprite designs - ✅ Aliens advance toward the player, speeding up as they get destroyed - ✅ Aliens fire back with red bullets - ✅ 4 destructible bunkers with arch shapes that can be chipped away - ✅ Score system (10/20/30 points for different alien types) - ✅ Lives system (3 lives) - ✅ High score saved to localStorage - ✅ Progressive difficulty (faster aliens per level) - ✅ Game over and restart screens **Visual Features:** - ✅ Procedural pixel-art style aliens (squid, crab, octopus types) - ✅ Animated alien sprites (legs/tentacles move) - ✅ Particle effects when aliens/bunkers are hit - ✅ Animated starfield background - ✅ Glowing green retro CRT aesthetic **Controls:** - ← → or A/D to move - SPACE or ENTER to shoot Open `index.html` in a browser to play!
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
Only a static start menu is shown; clicking START GAME button never triggered, no actual gameplay visible.
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.