Here is the full list of all 10 Dissonance achievements.
Pickup the flashlight.
Defeat the infected robot.
Defeat the infected incinerator: Furnace.
Defeat the infected humanoid: Other self.
Collect all documents in the secret lab.
Collect all documents in the snow field.
Collect all documents in the ???
Finish the game.
Collect all documents in the lab.
Collect all documents in the bunker.