Dificuldade Arcade:

Termine o jogo em qualquer dificuldade para destravar a dificuldade Arcade.

Dificuldade Superhuman:

Termine o jogo na dificuldade Difficult para destravar a dificuldade Superhuman.

Bônus por zerar :

Basta completar o modo "Campaign" para liberar o modo "Arcade"; arte conceitual dos "levels"; arte conceitual dos "chapters"; arte conceitual dos veículos e armas; opção "Depth Of Field"; opção "Motion Blur"; e opção "Screen Tint".

"Mirror levels"

Conquiste 3 "Silver trophies" para liberar "mirror levels".

Armas "Super Hybrid"

Conquiste 5 "Silver trophies" para liberar a "Super Hybrid".

Itens:

Atinja o level indicado no "Co-op mode" para liberar os itens correspodentes. Você deve ter "Grey Tech" suficiente para adquirir o item.

Itens do médico:

Air Fuel Grenades: Level 12
Assault Pack: Level 16
Bio-amp Scope: Level 22
Bioplasm Tracking Tech: Level 14
Chloroform (Berserk): Level 4
HE .44 Magnum (weapon): Level 18
High Density Bioplasm Chamber: Level 8
Kinetic Gloves: Level 6
Leech Barrel: Level 26
M5A2 Carbine (weapon): Level 2
Phoenix (weapon): Level 1
Phoenix Ash (Berserk): Level 12
Psychokinetic Helmet: Level 30
Ring of Life (Berserk): Level 1
Rossmore 238 (weapon): Level 10
V7 Splicer (weapon): Level 28
Voltaic Body Armor: Level 24

Itens do soldado:

Advanced Timing Motor: Level 14
Air Fuel Grenades (weapon): Level 12
Assault Pack: Level 16
Auger (weapon): Level 10
Backlash (Berserk): Level 12
Bullseye (weapon): Level 18
High Capacity Ammo Belt: Level 8
HVAP Wraith (weapon): Level 1
Ironheart (Berserk): Level 1
Kinetic Gloves: Level 6
Laark (weapon): Level 28
Overload (Berserk): Level 4
Precision Scope: Level 26
Psychokinetic Helmet: Level 30
Rossmore 238 (weapon): Level 2
Shield area x2 e 55 energy: Level 16
Shield area x3 e 75 energy: Level 20
Titanium Barrel: Level 22
Voltaic Body Armor: Level 24

Itens do Special Ops:

Assault Pack: Level 16
Auger (weapon): Level 18
Bellock (weapon): Level 28
Bullseye (weapon): Level 2
Hawkeye Scope: Level 22
High Density Ammo Chamber: Level 8
Invisiblity (Berserk): Level 4
Kinetic Gloves: Level 6
L23 Fareye (weapon): Level 12
Mag-Propulsion Barrel: Level 26
Marksmen (weapon): Level 1
Prototype Ammo (Berserk): Level 1
Proximity Mines (weapon, alternativo para munição): Level 10
Psychokinetic Helmet: Level 30
Shock Suppressor: Level 14
Snake Eyes (Berserk): Level 12
Voltaic Body Armor: Level 24

Itens do modo "Competitive"

Atinja o level indicado para liberar o item:


Level 1: Chimeran Rage, Radar avançado, Electrostatic Orb Burst, Prototype Ammo

Level 2: Hip Pack 1, Hip Pack, Adrenaline Boost

Level 3: Hybrid, Hybrid 2

Level 4: Belt Accessory 1, Belt Accessory 2, Ring Of Life

Level 5: Backpack1, Heatstack 3, Heatstack 4

Level 6: Ammo Clips, Hip Pack 3, Backpack 6

Level 7: Heatstack 5, Heatstack 7, Hose Tech

Level 8: Chest Armor 1, Overload

Level 9: Hose Attachment, Radio, Backpack 2

Level 10: Black Ops Suit, Hybrid Variant, Hybrid Variant 2

Level 11: Backpack 4, Heatstack 9, Arm Accessory

Level 12: Black Ops Helmet, Heatstack6, Invisibility

Level 13: Sentinel Suit, Armor 1, Heat Stack 2

Level 14: Hybrid 3 Head, Hybrid 3 Body

Level 15: Backpack 5, LAARK, Snake Eyes

Level 16: Warner Head, Hawthorne Heads, Backpack 3

Level 17: Hybrid 3 Variant Head, Hybrid 3 Variant Body, Heatstack 8

Level 18: Capelli, Armor 2, Heatstack 1

Level 19: Nathan Hale Head, Nathan Hale Body, Backpack 7

Level 20: Steelhead Head, Steelhead Body, Backpack 8

Level 21: Chest Armor, Heatstack 10, Backpack 9

Level 22: Grenade Vest, Infected Hale Head, Helmet 1

Level 23: Steelhead Variant Skin , Backpack 10, Steelhead Variant Head

Level 24: Nathan Hale Converted Head

Level 25: Decayed Head, Corpse Head

Level 26: Civilian 1, Helmet 2, Helmet 4

Level 27: Civilian Skin 2, Blue Hat, Steelhead Armor

Level 28: Scientist Skin, Scientist Head, Doctor Head, Wrench

Level 29: Clank Backpack

Level 30: Leech Skin, Deminsionater