MOSSY HOLLOW — 2D platformer with state machines

by PopCraft · v1 · updated Oct 1, 2026

A playable 2D platformer whose characters are animated by state machines: Pip the hero idles, runs while you hold → or D, stomps the slime with ↑ or Space and slashes the bat with X; Gloop the slime patrols, spots you, chases, squashes and respawns; Flit the bat roosts, wakes, flies, dives and returns; a ? block counts its hits with a number input. Each screen has its own machine and lights the state that is playing