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All Heavy Weapons collected All Heavy Weapons collected and displayed in Hideout

The Might of the Monkey! Use the Monkey Bomb. (Map Pack 3 only)

Return to Sender Kill 5 enemies by grabbing rockets and launching them back in single player campaign

Left No Man Behind Complete the game on Casual

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

X Marks the Spot Uncover the alien base's location.

Extra Credit Downed 3 or more enemies with one shot from the Railgun.

Brought a Knife to a Gun Fight? Downed a Thug with the pistol.

All Hand Guns collected All Hand Guns collected and displayed in Hideout

Cheater! Buy a Cheat.

No Man Left Behind Complete "They're Back!" on any Difficulty.

Los Angeles Destroy 20 enemy ships with the USS Laredo.

All Machine Guns collected All Machine Guns collected and displayed in Hideout

In. The. Face! Kill one of each enemy type with the Maul.

Iowa Destroy 20 enemy ships with the USS Missouri.

Ooooh Yeah! Kill 5 enemies with one L.E.O. shoulder bash.

Jack the Ripper Kill using all three Knives: Scalpel, Kitchen and Combat Knife

Quick Draw Down 40 enemies with the Pistol.

Epic Standards Upgrade all abilities for all characters to its maximum level.

Officer of the Deck Defeated 40 enemy vessels in Ship Control gameplay.

47 kills in a mission A mission has been completed with precisely 47 kills

Say Hello To My Little Friend Kill 30 enemies using your sidearm

Escort Complete "Retaliation" on any Difficulty.

High Velocity Down 40 enemies with the Alien Railgun.

Fire in the Hole! Down 40 enemies with Grenades.

All Melee Weapons collected All Melee Weapons collected and displayed in Hideout

Martian Can Opener Buy every Upgrade.

All Sniper Rifles collected All Sniper Rifles collected and displayed in Hideout

Locked and Loaded Fully outfit a ship with the maximum number of Wild cards available.

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

All Shotguns collected All Shotguns collected and displayed in Hideout

The Bigger They Are… Complete "End Game" on any Difficulty.

Earth's Hero Complete the game on any Difficulty.

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)

Success Complete all U.S.S. missions with an S Rank.

Naval Mastery Occupied all support positions in "Overrun".

All Firearms collected All Firearms collected and displayed in Hideout

Expert Mode Complete Completed expert difficulty

Bullets Can't Hurt Me Complete any act without using medkits

Professional Mode Complete Completed professional difficulty

Karma Chameleon Retrieve your weapon without being detected ("Burning Bridges")

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

Laugh This Off In the final duel with Maddox, kill him with the first shot ("No Loose Ends")

Ticonderoga Destroy 20 enemy ships with the USS Yukon.

Welcoming Committee Kill 150 aliens.

Extreme Series Complete Complete the Extreme series of Race Events.

Cleanest Hands You completed The Brigmore Witches without killing anyone

Pedigree Survive for 10 generations in SURVIVAL.

Dead Air Must have been a wrong number. (Secret Trophy)