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