Press [up] [w] [space] [ctrl] [capsLK] [f1]-[f12] [ (i) ] or click to jump and to jump on yellow rings Avoid the spikes In ship mode, hold to fly up and release to fly down Hit a yellow pad to jump high Hit a blue pad to jump higher (missing a gravity portal) For bonus points, collect the coins Press L to toggle effects (to reduce lag) Press B to toggle background (can also reduce lag)
There are levels Dry out, Base After Base, and High Hills. (High Hill Difficulty: Harder) Thanks, @backpack103!