Successfully complete the indicated task to unlock the corresponding achievement.

Achievement	How to unlock
A gray square	Complete World 4.
Always There	Always watching, always there. You can't escape. (Secret)
God Mode	Complete the entire game without taking any damage, in a single run.
It's all gone	Complete World 8.
Movement is impossible	Complete World 5.
New things to interact with	Complete World 3.
Nothing lasts forever	Complete World 6.
Pacifist Run	Complete the entire game without destroying any moving enemies, in a single run.
Please don't do this	Complete World 7.
The Exit	Complete the game.
Turning into liquid is a thing	Complete World 1.
Turning into steam is also a thing	Complete World 2.