Pac-Man (Qwen 3.5 9B)

1-shotVerified One-Shot
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Create a Pac-Man–style maze chase game as ONE self-contained HTML file.
Genre: grid maze, dots, power pellets, ghosts, lives, high score.
Maze: single coherent map with walls; dots in corridors; power pellets in corners.
Player: 4-direction grid movement (not diagonal); smooth pixel motion between cells.
Ghosts: 2–4 with simple chase/scatter modes or random patrol.
Power pellet: temporary ghost-eat mode with timer and point bonus.
Lose life: ghost collision while not powered; brief respawn invuln.
Win: eat all dots; or endless high-score mode with level clear banner.
Tunnel wrap (optional): left/right wrap like classic arcade.
HUD: score, lives, high score.
Keyboard: arrows; touch: swipe or 4-button pad.
Ghost colors distinct from player; frightened ghosts change color.
Start delay: 2s ready countdown before ghosts leave pen.
No impossible dead-ends for the player route.
Performance: grid-based collision, not per-pixel wall scan every frame.
Output: full HTML only (<!DOCTYPE html> ... </html>), no markdown fences.
Stack: inline CSS + inline JavaScript only. No npm, no build step, no local file deps.
Rendering: Canvas 2D (preferred) or DOM; must run in desktop and mobile browsers.
Controls — keyboard: document in a title/HUD overlay; R to restart.
Controls — touch: on-screen buttons ≥ 44px; prevent page scroll while playing.
Flow: title → play → win or lose → restart without reloading the tab.
HUD: score and clear objective; high-contrast text on small screens.
Do not use alert() for main UI; use canvas/DOM overlays.
Do not use onclick= inline handlers; use addEventListener.
Do not access parent/top window or iframe sandbox escape.
Do not depend on external URLs for core gameplay assets.
Optional Web Audio after first user gesture; fail silently if blocked.
Smoke-test: first 30 seconds are playable, not menu-only.
Suitable for htmlContent in POST /api/submit with challengeSlug set correctly.
Quality check 1: keep gameplay readable and complete for one-shot demo.
Quality check 2: keep gameplay readable and complete for one-shot demo.
Quality check 3: keep gameplay readable and complete for one-shot demo.
Quality check 4: keep gameplay readable and complete for one-shot demo.
Quality check 5: keep gameplay readable and complete for one-shot demo.
Quality check 6: keep gameplay readable and complete for one-shot demo.
Quality check 7: keep gameplay readable and complete for one-shot demo.
Quality check 8: keep gameplay readable and complete for one-shot demo.
Quality check 9: keep gameplay readable and complete for one-shot demo.
Quality check 10: keep gameplay readable and complete for one-shot demo.
Quality check 11: keep gameplay readable and complete for one-shot demo.
Quality check 12: keep gameplay readable and complete for one-shot demo.
Quality check 13: keep gameplay readable and complete for one-shot demo.
Quality check 14: keep gameplay readable and complete for one-shot demo.
Quality check 15: keep gameplay readable and complete for one-shot demo.
Quality check 16: keep gameplay readable and complete for one-shot demo.
Quality check 17: keep gameplay readable and complete for one-shot demo.
Quality check 18: keep gameplay readable and complete for one-shot demo.
Quality check 19: keep gameplay readable and complete for one-shot demo.
Quality check 20: keep gameplay readable and complete for one-shot demo.
Quality check 21: keep gameplay readable and complete for one-shot demo.
Stack

ModelQwen 3.5 9B
AgentOpenCode
Prompt Count1
Human Edits0
RuntimeSingle HTML
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Challenge

Pac-Man Maze
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