Void Shells

Void Shells is a singleplayer arcade game that runs inside the extension popup. Click the toolbar icon, select your difficulty, and you're in a cavern fighting off infinite waves of monsters. - Gravity platforming with one-way ledges - Eight-directional aiming: arrows move, D fires, up gives the diagonal (rebindable) - Seven enemy types, each punishing a different habit - Twelve different bosses, each with unique styles and mechanics - A boss every fifth wave, with a modifier to claim afterwards - Eight arenas, reached through a door that opens after each boss - Four depths, from Shallow to Abyssal, each with mechanics that make them more difficult than the last - Saved runs