ASDW keys- To move and jump.
Mouse click- Shoot out your grapple tongue to grab onto clouds, swing around to throw yourself into space, release the mouse to let go. Keep in mind with enough momentum you can swing all the way around.
Space bar- To release grapple.
P or Escape- To pause.
- Use the W and S keys to spin all the way around in a circle (A-S-D-W-A).
- If you're stuck on a planet, take a break and come back to it later.
If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).