Here is the full list of all 17 PSYCRON achievements.
Take a nap.
Collect every item.
Skip one item and finish the game.
Beat the game faster than the other developer.
Escape the station.
Defeat PSYCRON.
Escape the Stasis Bay.
Escape PSYCRON again.
Defeat Dexter.
Defeat Dexter?
Find the skeleton.
Get 50% of all items.
Escape PSYCRON.
Defeat Noemi.
Defeat the Security Drone.
Beat the game real fast.
Beat the game faster than one of the developers.