Play the demos
Each game below was built by following one genre's prompt sequence from the kit, one step at a time, with an automated browser test after each step. Five are free to play right here; the Core Keepers demo is free by email.
Best on desktop with a mouse and keyboard. Click a game to load it, then click inside it to give it keyboard focus. Each demo loads about 1.5 MB.
Core Keepers Tower Defense
Four towers with distinct roles, six shape-coded enemies, 20 waves, and two signature mechanics: Recoverable Cores and Overcharge.
Platformer Platformer
Builds on the starter as-is. Goal: a 3-level platformer with good jump feel.
Roguelite Top-Down Roguelite
Replaces the platformer with a top-down arena: rooms, enemies, and upgrades between rooms.
Idle clicker Idle / Clicker
Replaces gameplay with a clicker economy. No physics needed.
Runner Endless Runner
Auto-running, jump-to-survive, score = distance.
Puzzle Puzzle (Sokoban-style)
Grid-based, turn-based, with handcrafted levels.
