Here is the full list of all 11 Rooms of Realities achievements.
Complete the tutorial
Finish one room
Finish one room in co-op
Finish one room in 4 player co-op
Finish scenario in co-op
Escape from the Pyramid
Escape from the Asylum
High five with a friend
Escape in less than 10 minutes
Put on your helmet
Destroy all vases in Pyramid