Psyfonix

Under The Radar You flew under all the main bridges in the game.

Bloody Peleliu Complete 'Little Resistance' on Veteran difficulty. (Solo only)

Light Seeds Accumulator Collect 800 Light Seeds.

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

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

Packing Heat Fully upgrade an Exotic weapon.

Defense Spending Buy all items from the Survival Equipment Armory.

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

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

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

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

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

Gravity Kills Kill an enemy while floating in your own anti-gravity grenade.

Light Seeds Protector Collect 900 Light Seeds.

Gobble Gobble You got a turkey in 10-pin bowling.

Royal Palace Runner Run between the Fertile Grounds in the Royal Gardens and Coronation Halls in 4 minutes.

Ruined Citadel Runner Run from the Sun Temple's Fertile Ground to the Fertile Ground in Windmills in 5 minutes.

Survivor Reach Wave 10 in each mission of Special Ops Survival mode.

Lights Out! In 'Black Cats', blast out all of the spot lights in the Japanese cargo convoy. (Solo only)

City of Light Runner Run between the Fertile Grounds in the Tower of Ahriman and City of Light in 7 minutes.

Vale Runner Run between the Fertile Grounds in the Construction Yards and Heaven's Stair in 6 minutes.

Tactician Earn 1 star in each mission of Special Ops Mission Mode.

Cleaning time! Suck up all toys using the vacuum cleaner.

Run and Gunner - Kill 3 Helghast with one burst of assault rifle fire Kill 3 Helghast using an M82 or StA52 assault rifle without releasing the trigger

Peek-a-boo! Kick open a door, peek open a door, and throw a grenade while peeking a door.

The Taken King Complete "The Taken King" quest.

Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

Kamikaze Complete a level on Regular difficulty or higher using only melee or grenades. (Solo only)

Unstoppable Reach Wave 15 in each mission of Special Ops Survival mode.

Relic Hunter Assist in capturing 20 capture points in Salvage.

Cleaned The Mean Streets You caught 20 criminals through the police computer.

It's Christmas every day! Create and give 10 toys to the AR Bots using a Companion Device.

Raider Complete a Raid.

Shot in the Dark Kill 10 enemies while the lights are out in the subway in 'Eviction'.

Titan Mastery Fully upgrade a Titan Subclass.

Architect Complete 'Vendetta' on Veteran difficulty. (Solo only)

Modern Art Create a toy on your Companion Device using at least 5 colors.

Chain Reaction You exploded 10 vehicles in 10 seconds.

Danger Zone Buy all items from the Survival Air Support Armory.

Hunter Mastery Fully upgrade a Hunter Subclass.

Rolled Over You managed 5 car rolls in a row from one crash.

Danger Close Kill 15 enemies with a zero G grappling hook.

Warlock Mastery Fully upgrade a Warlock Subclass.

Light Seeds Master Collect 1001 Light Seeds.

Arms Dealer Buy all items from the Survival Weapon Armory.

Manhunt You completed the most wanted side mission.

Throw a Six and a Half On Hardened or Veteran difficulty, complete a level without dying. (Solo only)

The Hammer Strikes Complete 'Their Land, Their Blood' on Veteran difficulty. (Solo only)

Sword Master Perform 14 hits in one combo.

Blade Runner - 75 kills with the knife Kill 75 Helghast using the knife