Balance an object on your head for 10 seconds.
Make 4 loops with the helicopter in succession.
Get hit in the head with a lavarock 5 times without using the tractor beam.
At the beginning of the game, find a way to submerge under water.
No way out, but forward.
Deeper and deeper.
A way out?
Finish the game by escaping.
Become a new janitor.
Form a pentagram with the laser reflectors.
Pass the adjustable pumps without adjusting the pumps.
Throw a piece of coal into the oven without the piece touching anything, flying for 3 seconds.
Finish game without using hints.
Some things are just way too heavy.
Sacrifice yourself at the end of Extended.
Save yourself at the end of Extended.