TreeDaddy

Asahel Finish the game in under 4 hours

Hunter/Killer In a single game, shoot down one of each alien craft.

Epic Conclusion Defeat Tezzeret in the final single-player campaign battle

Single Quarter Complete the single player campaign with less than three deaths.

Purveyor Of Fine Goods Get 250 Kills with Exotic Weapons in Co-Op Campaign or Endgame

It's All Greek to Me Complete Greece - St. Francis Folly.

I've got my eyes on you... You beat "Mama Tick"!

The Lighthouse and the Crab Defeat Brachyura

EXTRA: XIX - Heir of Fate Survive 15 min in Inverse Boss Rash with Random Events and Random Level Ups.

One Million Strikes! Made a weapon for the first time.

Resist Destroy seven Elder Shards.

To the Rescue: Metal Slug 3 Rescue at least 10 prisoners in one Metal Slug 3 mission.

Checkpoint Zulu In Alpha Omega, survive the first 20 rounds without leaving Security Checkpoint

Proto Man's Trap Discover the truth about Proto Man and complete Mega Man 5.

First Victory Win an online vs. match with any rule set.

Breaking the 4th Earn a x4 multiplier in Challenge Mode

Mutual Support Have a Field Regen Unit buff more than 3 players simultaneously

To Be or Not to Be Kill the scientist trapped next to the Reactor Control Room in DOOM 3

Entertainment to Die For Complete Greece - The Coliseum.

Night Museum Defeat Dullahan

EXTRA: VIII - Edge of the Earth Trigger a Lavatrix Machina with Para Kooleo.

Beacon of Hope Defeat Nyarlathotep & The Shining Trapezohedron.

Hunter Bag fifty game animals.

Relentless Slaughter Kill 5000 enemies with melee skills.
0/5000

False Goddess, Disappear Defeat the distorted goddess, Chimaera.

Squad Captain Kill the Marine's Past

Impossibly Rocked Out Achieve the highest possible Awesomeness level.

Through the Maelstrom Complete the main scenario quest "Through the Maelstrom."
10/5140

Fall of Oriath Complete Part 1.

Horde Mode Defeat three waves of enemies in a Wave Room

Arena Master Win 40 Arena Online Matches.

No Mercy Kill all zombies that are locked up in the cage in Canyon

Walk at Liberty Remove your Source Collar

Scrap Metal Kill an enemy vehicle with an AT weapon

Platoon Pounder Kill or incapacitate 50 enemies

Forever Fated Find your destiny in the Room of Fate in Dead Ops Arcade

Home Sweet Home Complete Croft Manor.

Inner Peace Unlock Ending B.

Horde of Terror Defeat the Giant Bat

Piece Collector Capture 100 pieces

Magos Biologis Use Booster type Inoculator component 250 times.
0/250

Lumberjack In The Shadowed Throne, kill a Wustling using each melee weapon in a single match.

Trial by Ordeal In Dead of the Night, defeat the evil within

Ark King Reach Level 24

Soul Stealer Kill 50 Zombies with the Life Drain from a Disciple Injection

Ripped! Use the chainsaw to kill 20 enemies in DOOM 3

Man's Best Friend You found and saved Mutt.

Diligent Prospector Complete all challenges in Minerals.

Same To You, Buddy 2.0 Use the Horse Ride emote at a Skeleton Horseman.

Unplug the Energy! Defeat Energy Flux