Please fix list:
After I call the second elevator, I can walk on air.
I cannot backtrack.
Not supposed to happen should be written instead of not suppost to happen.
Why are the headcrabs dinosaurs?
Touching Kleiner teleports me backwards during the encounter with the first headcrab, when either freezing the player during that sequence or blocking the player from moving past that point in a less jarring way would be nicer.