Killer 1K
Kill a total of 1000 enemies.
Killer 10K
Kill a total of 10,000 enemies.
Survivor
Survive 8 waves in Final Stand mode (Hard difficulty).
Ultimate Survivor
Survive 16 waves in Final Stand mode (Hard difficulty).
Escape
Reach the exit in Escape mode (Hard difficulty).
Having a Blast
Kill 25 enemies in a single run using explosive barrels.
Hard Boss
Defeat a boss in Story mode (Hard difficulty).
Explorer
Find 5 secret areas in a single Story run.
Brutal Survivor
Survive 8 waves in Final Stand mode (Brutal difficulty).
Brutal Escape
Reach the exit in Escape mode (Brutal difficulty).
Brutal Boss
Defeat the final boss in Story mode (Brutal difficulty).
Chapter 1
Finish Chapter 1 in Story mode.
Chapter 2
Finish Chapter 2 in Story mode.
Chapter 3
Finish Chapter 3 in Story mode.
Defensive
Kill 25 enemies in a single run using turrets.
Multi Kill
Kill 5 enemies within 1 second.
Ultra Kill
Kill 10 enemies within 1 second.
Psionic Diversity
Unlock all Psionic abilities for a character.
Psionic Maximizer
Upgrade a single Psionic ability to Level 3.
Max Upgrade
Fully upgrade any of your weapons.