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