Here is the full list of all 113 Silver Bullet: Prometheus achievements.
Back hit over 50 times
Hide in barrel over 100 times
No damage on doctor
No hit from boss
Cleared without resurrect
Destroy the Boss only
Climbed over the wall
Max bullet over 2000
Mission Complete
Killed all zombies on stage
Started first abyss dungeon
Resurrect continuously over 5 times
No hit from enemies
Rescued all survivors
Eliminated all portals
Opened all doors on the top
No portals were removed
Cleared without using grenade
Dash Kick over 100 times
No damage from Boss's bomb
Cleared stage without shooting
This robot's weak point is under the body
Captain killed by explosion
Zombies killed by blade slash
No damage on artifact
Out of bullet
Cross-aim over 50 times
Case Closed!
Cleared stage without guide
Grenade exploded inside the Leviathan
Nobody was killed
Got every items on stage
Stage cleared in 75 second
Evaded all headbutts
Hit on choper's tail
Boss grown over 10 times
Got Empty Barrel
No Land Mine Exploded
Never seen by drone
Enemy hit by Laser
No hit by laser trap
Found Seth at once
Chase Seth in narrow passage
Boss escaped from silo
Fed Leviathan with big demon
Knock-out enemy over 500 times
Evaded sniper's shot
Used grenade over 100 times
Drop to death 10 times
Killed survivors over 10 times
Reached max level
Maximun damage upgrade
Maximun accuracy upgrade
Maximun armor upgrade
Maximun speed upgrade
All maximun upgrade
Entered Abyss 100 times
Killed abyss boss 10 times
Kill enemy by explosion 100 times