Unlockable: Zombie Mode
To unlock Zombie Mode, complete Campaign Mode once through in its entirety.
Unlockable: Death Cards
To unlock the Death Cards below, find them on the corresponding mission.
- Berserker (Become Berserk) – Breaking Point
- Body Armor (Only Headshots Kill Foes) – Ring of Steel
- Cold Dead Hands (Enemy Weapons Disappear) – Vendetta
- Flak Jacket (Stronger Enemies Against Explosives) – Relentless
- Hard Headed (Stronger Enemies Against Bullets) – Little Resistance
- Painkiller (Revive Dead Co-Op Teammates) – Blowtorch & Corkscrew
- Paintball (Paintball Guns) – Heart of the Reich
- Sticks & Stones (Knives & Rocks Only) – Their Land, Their Blood
- Suicide King (Explosive Pistol Rounds) – Hard Landing
- Thunder (Explosive Headshots) – Semper Fi
- Undead Soldier (Enemies Revive Themselves) – Eviction
- Vampire (Recharge Health by Killing) – Burn ‘Em Out
- Victory (Limits HUD/Friendly Fire) – Downfall
Unlockable: Rifles
To unlock the Rifles and accessories listed below, fulfill the corresponding requirements.
- Aperture Sight – Complete Marksman Challenge 2
- Flash Hider – Complete Marksman Challenge 1
- Gewehr 43 – Reach Level 7
- M1 Garand – Reach Level 17
- M1A1 Carbine – Reach Level 65
- Rifle Grenade – Complete Marksman Challenge 4
- STG-44 – Reach Level 37
- Suppressor – Complete Marksman Challenge 1
- SVT-40 – Reach Level 4
- Telescopic Sight – Complete Marksman Challenge 3
Unlockable: Grenades
To unlock the Grenades and accessories listed below, fulfill the corresponding requirements.
- Frag – Reach Level 4
- Molotov Cocktail – Reach Level 10
- N-74NT – Reach Level 4
- Signal Flare – Reach Level 4
- Smoke – Reach Level 4
- Tabun Gas – Reach Level 4
Unlockable: Custom Weapon Slots
To unlock the number of extra custom weapon slots listed on the left, reach the prestige level listed on the right.
- 6 – First
- 7 – Second
- 8 – Fourth
- 9 – Seventh
- 10 – Tenth
Unlockable: Perks
To unlock the Perks listed below, fulfill the corresponding requirements listed.
- Bandolier (Slot 1) – Reach Level 40
- Bomb Squad (Slot 1) – Reach Level 16
- Bouncing Betty x2 (Slot 1) – Reach Level 24
- Camouflage (Slot 2) – Reach Level 12
- Coaxial Machinegun (Vehicle Slot) – Reach Level 40
- Deep Impact (Slot 3) – Reach Level 4
- Dead Silence (Slot 3) – Reach Level 52
- Double Tap (Slot 2) – Reach Level 36
- Extreme Conditioning (Slot 3) – Reach Level 4
- Fireproof (Slot 3) – Reach Level 48
- Fireworks (Slot 2) – Reach Level 4
- Flak Jacket (Slot 2) – Reach Level 4
- Gas Mask (Slot 2) – Reach Level 4
- Greased Bearings (Vehicle Slot) – Reach Level 4
- Iron Lungs (Slot 3) – Reach Level 60
- Juggernaut (Slot 2) – Reach Level 4
- Lead Foot (Vehicle Slot) – Reach Level 28
- M2 Flamethrower (Slot 1) – Reach Level 65
- M9A1 Bazooka x2 (Slot 1) – Reach Level 4
- Martyrdom (Slot 3) – Reach Level 20
- Ordnance Training (Vehicle Slot) – Reach Level 12
- Overkill (Slot 2) – Reach Level 56
- Primary Grenade x2 (Slot 1) – Reach Level 44
- Reconnaissance (Slot 3) – Reach Level 64
- Second Chance (Slot 3) – Reach Level 9
- Shades (Slot 2) – Reach Level 32
- Sleight of Hand (Slot 2) – Reach Level 28
- Special Grenade x2 (Slot 1) – Reach Level 4
- Special Grenade x3 (Slot 1) – Reach Level 4
- Steady Aim (Slot 3) – Reach Level 4
- Stopping Power (Slot 2) – Reach Level 4
- Toss Back (Slot 3) – Reach Level 6
- Water Cooler (Vehicle Slot) – Reach Level 4
Unlockable: Veteran Mode
To unlock Veteran Mode, reach level 32 in Co-Op Mode.
Unlockable: Shotguns
To unlock the Shotguns and accessories listed below, fulfill the corresponding requirements.
- Bayonet – Complete Marksman Challenge 2
- Double-Barreled Shotgun – Reach Level 29
- Grip – Complete Marksman Challenge 1
- M1897 Trench Gun – Reach Level 4
Unlockable: Machineguns
To unlock the Machineguns and accessories listed below, fulfill the corresponding requirements.
- BAR – Reach Level 4
- Bayonet – Complete Marksman Challenge 2
- Bipod – Complete Marksman Challenge 1
- Browning M1919 – Reach Level 61
- DP-28 – Reach Level 13
- FG 42 – Reach Level 45
- MG-42 – Reach Level 33
- Type 99 – Reach Level 4
Unlockable: Bolt-Action Rifles
To unlock the Bolt-Action Rifles and accessories listed below, fulfill the corresponding requirements.
- Arisaka – Reach Level 4
- Bayonet – Complete Marksman Challenge 1 and/or 2
- Kar98k – Reach Level 41
- Mosin-Nagant – Reach Level 21
- PTRS-41 – Reach Level 57
- Rifle Grenade – Complete Marksman Challenge 2 and/or 3
- Sniper Scope – Complete Marksman Challenge 1
- Springfield – Reach Level 4
Unlockable: Submachine Guns
To unlock the Submachine Guns and accessories listed below, fulfill the corresponding requirements.
- Aperture Sight – Complete Marksman Challenge 2
- Dual Magazine – Complete Marksman Challenge 3
- MP40 – Reach Level 10
- PPSH – Reach Level 41
- Round Drum – Complete Marksman Challenge 3
- Suppressor – Complete Marksman Challenge 1
- Thompson – Reach Level 4
- Type 100 – Reach Level 25
Unlockable: Pistols
To unlock the Pistols and accessories listed below, fulfill the corresponding requirements.
- .357 Magnum – Reach Level 49
- Colt M1911 – Reach Level 4
- Nambu – Reach Level 4
- Tokrev TT-33 – Reach Level 21
- Walther P38 – Reach Level 4