Rexo

Rexo is a 2D platformer where you guide a small cube through eight handcrafted stages, hunting down every gem before the exit will let you through. The flag at the end stays red until the last gem is collected — only then does it turn green and open the path forward.

Spikes line the floors and ceilings in places you might not expect, and enemies patrol key routes with enough persistence to force you into planning your movements rather than just reacting. The difficulty climbs steadily, adding more traps and tighter jumps the further in you get.

Nothing in the level design feels arbitrary. Gems are placed to pull you toward danger, rewarding careful observation over blind rushing. Short stages mean mistakes don't cost much time, which makes replaying a tricky section feel worthwhile rather than frustrating.