Here is the full list of all 50 ASTRAL achievements.
Awakening
Listener
Historian
Box tamer
Open sesame!
Leap of faith
Manipulator
Telepathy
Destroyer
Across the abyss
Upstairs
Alone in the field
Find
Hacker
Instigator
Exterminator
Cracker
Forester
Key keeper
Miner
Invisible
Lifter
Where is the grandfather?
City dweller
Killer
Plumber
Fugitive
Submariner
Egyptian
Machinist
Over the bridge
Platformer
Crane operator
Extremal
Engineer
Office clerk
Collector
Faster than wind
Master of disguise
Squirrel in a wheel
Pipeliner
Shelter 76
Maniac
Savior
Winner
Pioneer
Hard-faced
Tagged
Got caught
Suicide