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