Playstargate

Pusher Kill 30 enemies with the Force Gun

Dear Santa Find all the letters to Santa in the holiday missions.

Too Late The Hero Carry on, soldier.

Friendly Fire Show mercy.

Ménage à trois Complete 5 quests with 3 co-op partners.

Live With The Hot Ones Kill 30 enemies with the Flamethrower

Battle Management Kill 50 enemies using only the Attack Command. (campaign only)

Originality Play in a co-op team of 4 different playable characters.

Close Combat Carnage Kill 4 enemies with a shotgun in 10 seconds or less. (campaign only)

Kickin it Escape from a Lurker's grab attack 10 times

A Line, Crossed Choose vengeance.

Marksman - Sniper Kill 50 enemies with any sniper rifle. (campaign only)

Walking the Dinosaur Spend 30 minutes with Raptor Ned as your homie.

Damned if You Do Follow your orders.

Situational Awareness Stun an enemy by dumping sand on their head. (campaign only)

One Gun Beat the game using only the Plasma Cutter

10 heads are better than 1 Kill 10 zombies in a row with headshots.

A Very Genki Holiday Complete all instances of Genki Holiday.

The Road Back Live and let live.

Make a List, Check it Twice Complete all instances of Naughty and Nice.

The Road To Glory Live and let die.

Rootin' Tootin' Lootin' Loot 5 Exceptional Weapons.

Aim High Kill 250 enemies with headshots. (campaign only)

Deep Down, You Know You Want To Drive 50 cumulative minutes in any Ford then enter garage

He's Still on the Naughty List Deliver a present to Zinyak in 'The Santa Clawz'.

Marksman - Grenade Kill 50 enemies with grenades. (campaign only)

Health Inspector Destroy all the green polyps inside Paul in 'Pop His Top'.

Deer Hunter Kill an oryx. (campaign only)

It's Just a Bad Dream! Complete "Lost in Nightmares" with an S rank.

People Person Play with 10 different co-op partners for at least 15 minutes each.

Get that Kid to a Psychologist Find all the snowmen vignettes in the North Pole.

Marksman - Heavy Arms Kill 150 enemies with any heavy weapon. (campaign only)

Rigging the Race Destroy all the rival pony carts in 'At the Races'.

Damned if You Don't Buck the chain of command.

Ultimate Hot Potato Get 100 kills with the Grenade Launcher.

Hello Little Friend Get 250 kills with the Minigun.

Unfriendly Fire Save a bullet.

Marksman - Shotgun Kill 75 enemies with any shotgun. (campaign only)

OMGWTFBBQ Get 100 kills with the Flamethrower.

Light my fire Set 10 zombies on fire simultaneously.

Adapt and Overcome Blow up 10 explosive objects, killing at least one enemy each time. (campaign only)

Maxed Out Upgrade all weapons and equipment

Auld Lang Syne Completed the Main Campaign on 1999 Mode.

We Were Soldiers Complete game on "Combat Op" difficulty.

Scavenger Hunt Completed the Main Campaign in 1999 Mode without purchasing anything from a Dollar Bill machine.

A World Without Christmas Complete the holiday text adventure.

Platinum Columbia Acquire all other trophies

A Farewell To Arms You are relieved.

Let Sleeping Rockstars Lie You killed a Rockstar in multiplayer.

Kung Fu Fighting Inflict a set amount of damage to Wesker in "Lost in Nightmares."