First Impressions
Not unlocked yetKill 50 enemies
Above and Beyond
Not unlocked yetGet 10 stars on one level
Bot Buster
Not unlocked yetWin 5 deathmatches with Bots
Survivalist
Not unlocked yetGet at least 4000 points in Survival arcade mode
Rookie
Not unlocked yetGet at least 20 stars in the campaign
Ensign
Not unlocked yetGet at least 40 stars in the campaign
Captain
Not unlocked yetGet at least 60 stars in the campaign
Admiral
Not unlocked yetGet at least 100 stars in the campaign
Hidey-Hole
Not unlocked yetFind a secret area
Excavator
Not unlocked yetFind all secrets in the campaign
Frenemies
Not unlocked yetFinish a duel match with a local player
DieHard
Not unlocked yetBeat a level without dying
Death Proof
Not unlocked yetBeat every level without dying
Synergy
Not unlocked yetComplete a level in COOP
Maximum Synergy
Not unlocked yetComplete all levels in COOP
Xenocide
Not unlocked yetKill all enemies in 5 levels
Pacifist
Not unlocked yetComplete 5 levels without firing a shot
Stone Age
Not unlocked yetComplete a level in the Armless arcade mode