Space Invaders · deepseek-v4-pro
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 · 6 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 a complete Space Invaders game in a single index.html file. Let me build this with all the requested features: 1. Player cannon that moves left/right and shoots 2. Descending grid of aliens that advance and fire back 3. Destructible bunkers 4. Score and lives 5. Procedural graphics (canvas drawing, no external assets) Let me create a comprehensive implementation.
/workspace/index.html (17708 bytes)Successfully wrote 17708 bytes to /workspace/index.html
thinking
Let me verify the file was written correctly by trying to serve it or at least checking it exists.
The file has been written. Let me verify it's complete:
{"command":"wc -l /workspace/index.html && echo \"---\" && head -5 /workspace/index.html && echo \"...\" && tail -5 /workspace/index.html"}611 /workspace/index.html --- <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> ... loop(); })(); </script> </body> </html>
thinking
The file is complete at 611 lines. Let me give a summary of what was built.
Done — **`/workspace/index.html`** (611 lines, ~17KB), a fully self-contained Space Invaders game. Here's what's included: **Gameplay** - Player cannon moves with ← → (or A/D), shoots with Space (up to 2 bullets at a time) - **5 rows × 10 columns** of procedural aliens — three distinct types drawn on canvas: - Row 0: **Boss** (purple octopus with tentacles/antennae) - Rows 1–2: **Crab** (cyan with claws) - Rows 3–4: **Jellyfish** (green dome, wavy bottom) - Aliens march side-to-side, descend when hitting edges, speed increases as you kill them - Bottom-row aliens fire back randomly; frequency scales with alien count - **4 destructible bunkers** with pixel-grid damage — shots carve realistic holes - **Score** (points by row: 40/30/20/15/10) with persistent high score - **3 lives** with 1.5s invulnerability blink after each hit - Game ends if aliens reach your line or you lose all lives; win by destroying all aliens - Enter restarts from game-over/win screen **Visuals (all procedural)** - Scrolling starfield background with flickering stars - Glowing bullets (white for player, red for enemies) with radial halos - Particle explosions on hits (yellow for aliens, cyan for player, grey for bunkers) - Gradient-shaded bunker blocks, alien idle-bob animation, exhaust glow on the cannon - Retro green phosphor HUD with mini-cannon life icons
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
Space Invaders with player ship, aliens, bunkers, and score render; game reaches GAME OVER but ship seems to lose all lives quickly, arrow/wasd keys show no movement change.
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.