Here is the full list of all 113 Silver Bullet: Prometheus achievements.
Mission Complete
Cleared without using grenade
Nobody was killed
Cleared stage without guide
Killed all zombies on stage
Out of bullet
Cleared stage without shooting
No damage on artifact
Cross-aim over 50 times
Case Closed!
Grenade exploded inside the Leviathan
Got every items on stage
Zombies killed by blade slash
This robot's weak point is under the body
Stage cleared in 75 second
Captain killed by explosion
No hit from boss
Climbed over the wall
No damage on doctor
No damage from Boss's bomb
Destroy the Boss only
No portals were removed
Eliminated all portals
Evaded all headbutts
Opened all doors on the top
Hit on choper's tail
Rescued all survivors
No hit from enemies
Cleared without resurrect
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
Dash Kick over 100 times
Knock-out enemy over 500 times
Evaded sniper's shot
Hide in barrel over 100 times
Used grenade over 100 times
Back hit over 50 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
Max bullet over 2000
Resurrect continuously over 5 times
Started first abyss dungeon
Entered Abyss 100 times
Killed abyss boss 10 times
Kill enemy by explosion 100 times