Here is the full list of all 14 keyg achievements.
That one room where everyone takes pictures.
Closer than you think.
Beginning of the End.
Find another way.
Complete that one Red Bagels of Death level.
Learn the truth.
Survive the disintegrator level.
Get to the Master Center.
Pass.
Save OCT.
Survive Arrows level.
Get to the Common Cells.
Save PLU.