Psychopsyborg

Mortar-dom

Kill 8 Japanese with thrown mortars in 'Breaking Point'. (Solo or co-op)

Rough Economy

Kill 3 enemies with a single bullet. (Solo or co-op)

Stormed Peleliu

Establish a beachhead on the island of Peleliu on any difficulty. (Solo only)

Gunslinger

Assassinate General Amsel with a pistol shot. (Solo only)

The Hammer Strikes

Complete 'Their Land, Their Blood' on Veteran difficulty. (Solo only)

Scorched Earth

Complete 'Burn`em Out' on Veteran difficulty. (Solo only)

Firestarter

Complete a mission using only the flamethrower. Melee, grenades & explosives are OK. (Solo or co-op)

Fearless

Complete 'Relentless' on Veteran difficulty. (Solo only)

Hell on Wheels

Complete 'Blood and Iron' on Veteran difficulty. (Solo only)

Iron Fist

Destroy all towers and bunkers in 'Blood and Iron'. (Solo or co-op)

No Return

Complete 'Ring of Steel' on Veteran difficulty. (Solo only)

Ruthless

Kill 15 enemies while mounted on a tank in 'Ring of Steel'. (Solo or co-op)

When It Rains, It Pours

Complete 'Eviction' on Veteran difficulty. (Solo only)

Shot in the Dark

Kill 10 enemies while the lights are out in the subway in 'Eviction'. (Solo or co-op)

One Bad Gato

Complete 'Black Cats' on Veteran difficulty. (Solo only)

The Sum of All Zeros

Down 45 Japanese Zeros in 'Black Cats'. (Solo only)

Lights Out!

In 'Black Cats', blast out all of the spot lights in the Japanese cargo convoy. (Solo only)

Blowtorch & Corkscrew

Complete 'Blowtorch & Corkscrew' on Veteran difficulty. (Solo only)

Setting of the Sun

Complete 'Breaking Point' on Veteran difficulty. (Solo only)

Guardian Angel

In the final battle for Okinawa, save Sergeant Roebuck. (Solo or co-op)

For the Motherland

Complete 'Heart of the Reich' on Veteran difficulty. (Solo only)

Bearing the Burden

Complete 'Downfall' on Veteran difficulty. (Solo only)

Close Shave

Survive a Banzai attack. (Solo only)

Snake in the Grass

Take out a Japanese soldier while he is lying in wait in the grass. (Solo or co-op)

Grave Robber

Collect all Death Cards in the game. (Solo only)

Kamikaze

Complete any level on Regular difficulty or higher using only melee and grenades. (Solo only)

Throw a Six and a Half

On Hardened or Veteran difficulty, complete a level without dying. (Solo only)

Purple Heart

When staring into the face of adversity, show courage and persevere.

War Hero

Complete the game on any difficulty. (Solo only)

Hardened War Hero

Complete the game on Hardened or Veteran difficulty. (Solo only)

Get Your Left Foot Wet

Complete a match in Campaign Co-Op mode over Xbox LIVE. (Online co-op only)

Get Your Right Foot Wet

Complete a match in Competitive Co-Op mode over Xbox LIVE. (Online co-op only)

Blue Ribbon

Complete a 4-player Competitive Co-Op match in 1st place over Xbox LIVE. (Online co-op only)

Secret Achievement

Secret Achievement

Soul Survivor

Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Hammer Time

Repair 200 window boards in a single game. (Map Pack 2 only)

Weapon of Minor Destruction

Kill no more than one zombie with a nuke. (Map Pack 2 only)

Big Baller

Earn 75,000 points in a single Nazi Zombie game. (Map Pack 2 only)

Perk-a-Holic

Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Big Brawler

Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

Secret Achievement

It's a Trap!

Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

Fertilizer Man

Kill 200 zombies in a single game. (Map Pack 2 only)

Deadhead

Get 150 zombie headshots in a single game. (Map Pack 2 only)

Locksmith!

Open all doors in the map. (Map Pack 3 only)

The Might of the Monkey!

Use the Monkey Bomb. (Map Pack 3 only)

Wacker Packer!

Upgrade any weapon in Pack A Punch. (Map Pack 3 only)

Frequent Flyer!

Use the teleporter 8 times. (Map Pack 3 only)

40 Knives!

Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Der Electrician!

Link all teleport pads before round 7. (Map Pack 3 only)

Acquire Waffle Weapons!

Obtain the Ray Gun, DG-2, and Monkey Bomb at the same time. (Map Pack 3 only)

Perkaholics Anonymous!

Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Pack Addict!

Upgrade 5 weapons at the Pack a Punch Machine. (Map Pack 3 only)

Elevate Your Senses!

Activate the Fly Trap. (Map Pack 3 only)

Carlson's Raiders

Complete 'Semper Fi' on any difficulty. (Solo only)

The Last Stand

Survive the land and air conflict surrounding Okinawa on any difficulty. (Solo only)

Stabbed in the Heart

Complete all missions on the Eastern Front on any difficulty setting. (Solo only)

Get Your Hands Dirty

Complete 'Semper Fi' on Veteran difficulty. (Solo only)

Saved Private Ryan

Save the soldier before he burns to death. (Solo or co-op)

Bloody Peleliu

Complete 'Little Resistance' on Veteran difficulty. (Solo only)

Weapon of Mass Destruction

Radio in a naval bombardment that kills at least 4 Japanese soldiers. (Solo or co-op)

The Sword Is Broken

Complete 'Hard Landing' on Veteran difficulty. (Solo only)

No Safe Place

Burn an enemy out of a tree with the flamethrower in 'Hard Landing' (Solo or co-op)

Architect

Complete 'Vendetta' on Veteran difficulty. (Solo only)

The Professional

Shoot all of Amsel's henchmen, including their attack dog, without reloading. (Solo only)