First Impressions
Kill 50 enemies
Above and Beyond
Get 10 stars on one level
Bot Buster
Win 5 deathmatches with Bots
Survivalist
Get at least 4000 points in Survival arcade mode
Rookie
Get at least 20 stars in the campaign
Ensign
Get at least 40 stars in the campaign
Captain
Get at least 60 stars in the campaign
Admiral
Get at least 100 stars in the campaign
Hidey-Hole
Find a secret area
Excavator
Find all secrets in the campaign
Frenemies
Finish a duel match with a local player
DieHard
Beat a level without dying
Death Proof
Beat every level without dying
Synergy
Complete a level in COOP
Maximum Synergy
Complete all levels in COOP
Xenocide
Kill all enemies in 5 levels
Pacifist
Complete 5 levels without firing a shot
Stone Age
Complete a level in the Armless arcade mode