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Baker's Dozen Hang out with Twelve Friends in the Sanctuary

Monkey Do Complete the Howl of the Monkey Gods Challenge Tomb

Past The Point Of No Return Take 100 Painkillers

Go With The Flow Complete The Age Makers Side Mission

A Fire in the Heavens Free the hostages at the Ferris Wheel.

Stay Back Play an Invasion Boss fight

Masterful dodger of revenge bullets and stuff alike Complete a level on Master difficulty

Get Your Left Foot Wet Complete a match in Campaign Co-Op mode. (Online co-op only)

Safeguard Complete round 20 in safeguard.

S.E.R.E. Singleplayer: Complete Neptune's Net

Never Quit Singleplayer: Finish all of Rabbit's missions

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

Not Dead Yet See all Test Your Might deaths

Giving Respect Give Respect points in a King of the hill match

Rangers Lead the Way Singleplayer: Finish all of Dante's missions

Eight Heroes Aboard Singleplayer: Complete Rescue the Rescuers

Packing Heat Fully upgrade an Exotic weapon.

FLUSHED Drain the Sewers

Ring-a-Ding-Ding Completed Ring-a-Ding-Ding.

Need a Doctor Perform every character's X-Ray

Breaking and Entering Find a way into the secret base

Melonpopper - 15 headshots using the sniper rifle Get 15 headshots using the VC32 Sniper Rifle

The Battle is Won... Singleplayer: Finish the game on Easy, Normal or Hard

Jury Rigger Repaired 30 items.

Blockbuster Broke the blocks of 50 enemies.

A House Made of Spun Glass Free the hostages at the Merry-go-round.

New England Vactioner Discover 20 Far Harbor Locations

Throwdown! Perform 8 throws and win in a multiplayer match

Fragmartyr - Kill 2 Helghast whilst taking your own life Kill 2 Helghast at once and take your own life using a single frag grenade

Defense Spending Buy all items from the Survival Equipment Armory.

The Laughing Fish! Free the hostages at the Ghost Ship.

Dancing Queen Do 25 capespins in a row, without moving, while on the ship bridge.

Psycho Kill 10 enemies without losing your weapon.

Overload Use the EMP to take down 10 Steelhead Auger shields

One Eyed Jack Find and kill 'Jack' in Graterford Prison

That's How We Roll! You unlocked the special ability of Brucie's helicopter ride.

Harmony Complete the Path of Fear Side Mission

Above and Beyond the Call Complete the Game on Tough or Hardcore setting

Frickin' Laser Beams Get to the first mineshaft without being hit by sniper fire in Mt. Pleasant, PA

No Escape Destroy all Warden vehicles in the Motorpool

You're Going Down! Perform 50 takedowns.

Sightseer You have taken all variations of the helicopter tours of Liberty City.

A Courtship of Razors Rescue your father.

Snipe Hunt Collect all Deadeye rifles without dying while fighting the Widowmaker in St. Louis

Hydro Power Complete the Slayer's Gauntlet Challenge Tomb

Part II Complete Complete Part II Of The Story

One Bullet At A Time 300 Headshots

The Sword Is Broken Complete 'Hard Landing' on Veteran difficulty. (Solo only)

Mushroom With A View Complete The Sixth Seal Challenge Tomb

The Stuff of Legends Earn a Four-Star Rating in EVERY Challenge Arena