Unlock all trophies
Reach 2 000 points without missing a single shot.
Reach 20 000 points in arcade mode
Reach 30 000 points in arcade mode
Reach 40 000 points in arcade mode
Complete all challenges in a single player mode
Complete all challenges in coop mode
Survive 180 seconds
Resurrect an ally in coop mode
Kill 15 enemies in rapid succession (huge multi-kill)
Kill the enemy without doing damage to it (Fear powerup)
Kill 10 enemies with a single shot from a railgun
Detonate 50 bombs with a single shot
Kill 1000 centipedes (accumulative over multiple runs)
Kill 400 scorpions (accumulative over multiple runs)
Kill 600 fleas (accumulative over multiple runs)
Kill 800 spiders (accumulative over multiple runs)