libredash

libredash is a fast-paced rhythm platformer inspired by Geometry Dash, built around endless procedurally generated obstacle courses. Dodge spikes, navigate tight gaps, and survive as the level scrolls relentlessly toward you. With a default random mode  that generates a fresh challenge every run, no two attempts are the same. Switch between classic dash mode and gravity-defying fly mode for a different kind of test of  your reflexes. Simple to pick up, brutally hard to master — how far can you go?

Levels are plain text files and easy to edit.  Comes with 5 backgrounds, Space, Desert, Forest Lava and Water.