100 ufos killer
Not unlocked yetKill 100 ufos
500 ufos killer
Not unlocked yetKill 500 ufos
2k ufos killer
Not unlocked yetKill 2k ufos
10k ufos killer
Not unlocked yetKill 10k ufos
50k ufos killer
Not unlocked yetKill 50k ufos
Multikill
Not unlocked yet4-9 kills per time
Megakill
Not unlocked yet10-20 kills per time
Ultrakill
Not unlocked yet21+ kills per time
Cross eyed
Not unlocked yetFiring accuracy <= 3%
Sure shot
Not unlocked yetFiring accuracy >= 90%
Dead shot
Not unlocked yetFiring accuracy == 100%
Lucky devil
Not unlocked yetFinish level with 1hp
Lucky boy
Not unlocked yetFinish level without damage
Undead
Not unlocked yet10 deaths in row
Banana head
Not unlocked yetKill self
Butt head
Not unlocked yetKill self by nuke
Nuke expert
Not unlocked yetUse 9+ nukes per level
Nuke maniac
Not unlocked yetUse 16+ nukes per level
Nuclear winter
Not unlocked yetUse 666+ nukes