Training Nick: Finish the game on easy
Urban Nick: Finish the game on normal
Wasteland Nick: Finish the game on hard
Stealth Nick: Finish the game on elite
Sara: Finish the game on normal
Sara (psi): Finish the game on hard
Tonya: Finish the game on hard
Sara (suicide): Finish the game on hard
Marlena "Pyro": Finish the game on elite
Marlena "Pyro" (leather): Finish the game on elite
General: Finish the game on elite
General (clown): Collect all six orbs in the General Boss Battle
Barrett: Finish the game on elite
Jov: Finish the game on elite
Wei Lu: Finish the game on normal
Dragon Wei Lu: Finish the game on hard
MP1: Finish the game on easy
MP2: Finish the game on normal
MP3: Finish the game on hard
Jack: Finish the game on elite
UN Soldier: Finish the game on easy
Burnt Soldier: Finish the game on normal
Labcoat: Finish the game on easy
Dockworker: Finish the game on easy
Komiko: Finish the game on normal