Here is the full list of all 16 DeadTruth: The Dark Path Ahead achievements.
Play the secret game!
Finish the game.
Escape from the monster.
Inject yourself with drugs.
Hear the devils voice.
Get back to the top.
Kill all the spiders.
Explode the bomb.
Create a bomb.
Collect 4 chemical bottles.
Kill the organism.
Get to the mines.
Kill both wolves.
Get killed by the tripwire.
Pick up first note.
Review the photograph.