OASE

Danger Close Take down a chopper with an AC-130 smoke grenade in "Bag and Drag."

Doing Camo Right In Campaign, unlock all camos for any weapon.

Beam Me Up Discovered all named locations aboard the Helios Space Station.

Reign of Terror Kill Diablo in Hardcore mode.

All men dream Unlock all Codex Entries in Nothing is Written

Feeling the Need Empty a full nitrous bar without hitting anything

The Flora Flop Unlocked the Secret Exit in Diggin' It.

Birdie Kill 2 enemy helicopters without getting hit in a Special Ops Survival game.

Servant to the Gods Complete the gods' side questlines.

Slither into Oblivion Remove an invisible enemy from the equation.

Informant Collect 22 Intel Items.

Voices Complete "VOICES" mission.

Boob Tube You checked out some important messages.

Homo Homini Lupus Est Save 15 survivors from Rais's men

Right 4 Life Complete act 1 with 4 different characters.

Fanboi Put Ken's or Morohoshi's car in your garage

City Dweller Made it to the city in Regular or Hardcore difficulty.

Invasion Complete Level - Prologue

Night Survivor Defend The Relay Station And Survive The First Night (Valley Of The Yetis).

It's All In the Writing Find all text collectibles

Powered Up Fully upgrade the Godly Powers tree.

Reinforcement Develop 100 or more development items.

Big Boy You killed a tallboy using only your sword

Dark Forces In the campaign, use the Droid to shock three enemies at once.

May His Death Satisfy You Kill Malthael in Hardcore mode.

99 Percent Perspiration Earn 99 lives.

That's How You Do It Complete Tutorial

Outlander Arrive on Solstheim

Brainteaser Rescue the fifth hostage from Riddler

8 Buster Bust a Racer at Heat 8 or greater

Jack-pot Destroy 21 slot machines.

A Stitch in Time Saves 99 Earn 99 Lives.

Burial at Sea Completed Burial at Sea - Episode 1.

Well Begun Is Half Done Complete 10 levels in Score Attack with a gold score

Ménage à Trois Destroy 3 tanks with a single 105mm shot in "Iron Lady."

Friends and Foes Complete Rise and Fall on Hardened, Veteran, or Realistic.

Like Taking Candy from a Baby Finish the game on Very Easy difficulty or higher.

Only Way Out Reach the "In Water" ending.

Leave No Gem Unturned Earn 21 Gems.

Maximum Overdrive Kill 50 enemies while using Overdrive.

Out of the Frying Pan... Complete "Persona Non Grata", "Turbulence", and "Back on the Grid" on Veteran difficulty.

Blood In The Water Spill 10,000 pints of blood

One of the Many Defeat the ultimate evil within.

Who's the Boss? Defeat the Mythical Monster bosses.

Welcome to Nam DLC Vietnam: Get back your gear at the helicopter crash site.

Look Both Ways Kill all the KVA in the traffic section without damaging a civilian vehicle in "Traffic."

Builder Complete One Relay Station Upgrade Quest (Valley Of The Yetis, Single Player Only).

First Step into Darkness Complete the game on Casual difficulty.

I know kung fu Equip 17 Pressens at least once in your Combos

Saved Private Ryan Save the soldier before he burns to death.