You are elite space marine and your mission is to infiltrate martian bio weapon research facility and use your powerful assault rifle to shoot thousands of security guards, try not overheating your weapon to keep your accuracy in order to survive all waves of enemies.
Alien
Ram 1
Escap
Gn Ni
Seaho
Toto
Angry
Skibi
Motor
Simul
Amge
Mini
Micke
Hasbu
Icy S
Speed
Crazy
Spide
Kingd
Thief
Minic
Kitty
Ban B
Word
Mutan
Killy
Barbi
Merge
Ragdo
Draw
Anima
Girl
Windy