One-file playable stealth heist game built by Claude, all assets drawn in code
heypearlai · x · 2026-11-11
Someone built a fully playable Adventure Time-themed stealth heist game with Claude ("Fable 5.2") and shared a technical breakdown: everything runs in a single HTML file using HTML5 Canvas and vanilla JavaScript—no engine, no external image assets; every character, guard, tile and UI element is drawn mathematically in code. Grid-based logic with smooth interpolated rendering; distinct per-character mechanics (Marceline's invisibility, Finn's speed boost with longer vision penalty, Jake's wall-stretch collision bypass), plus waypoint-patrolling guards with raycasting vision cones that stop at walls.
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