29 ACHIEVEMENTS
Kill 50 mutants.
Kill 100 mutants.
Kill 200 mutants.
Kill 400 mutants.
Unlock a Special Power.
Unlock three Special Powers.
Unlock five Special Powers.
Complete an objective.
Kill two mutants in one shot.
Kill three mutants in one shot.
Kill four or more mutants in one shot.
Upgrade your weapon.
Max upgrade a weapon.
Destroy 5 vending machines in a mission.
Destroy 10 vending machines in a mission.
Complete a mission.
Complete 10 missions.
Complete 30 missions.
Complete a shaft.
Complete two shafts.
Complete three shafts.
Score higher than 10000
Score higher than 50000
Score higher than 100000
Earn a level three rating on a floor.
Earn a level three rating on all Medical Research floors.
Earn a level three rating on all Military Branch floors.
Earn a level three rating on all Factory X floors.
Max upgrade all weapons.