All praise is due to the game's copyright holders, griffpatch, hoppingicon, and the original Infiltrate by ViPriN from The GD full version online levels.
Press [up] [w] [space] [ctrl] [capsLK] [f1]-[f12] 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)