Press [up] [w] [space] 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) If you want to post any levels you beated on YouTube, you can.
Press no clip, hit all the portals and speed, and watch it unfold. This is incredibly hard if you follow the layout path.