ACEBUDD

Ring Out Win a round by knocking your opponent out of the ring in Arcade Mode (any difficulty level)

Lancer Killer Kill a Lancer Big Daddy

Naughty little fly! Complete Shelob's Lair.

Finish Him You completed 10 melee counters in 4 minutes.

It Takes Two to Tango Chain a 40-defeated combo in Team Slayers.

T-Bone: Friends in Need Complete Act 1

File R-05: Status - Closed Complete File R-05: Escape From Denver.

Ghost Busted Beat a friend's ghost in a Race or Hot Lap event who currently sits above you in the leaderboards.

“Worlds of Hurt” – Tough Guy Rescued the Little Sister in “Worlds of Hurt” using only plasmids, tonics, the wrench, and the research camera, on Medium or higher difficulty

Cameraman Trigger every Speed Camera

A Friend in Need Play Co-op mode

A Good Dam Fight Defeat the Battlelord on the Hoover Dam

That still only counts as one! Defeat an Oliphaunt as Legolas.

Army of One Win 15 matches in Slayers.

You and whose army? Complete The Battle of the Pelennor Fields.

Island Queen Complete all objectives in the Plover Island Complex

The Crown Jewel Seek and destroy.

This day we fight! Defeat the Mouth of Sauron.

It's gone... Complete Journey's End.

File R-06: Status - Closed Complete File R-06: Badlands Showdown.

Strength of the Pack Complete a Strike with a full fireteam consisting of only your clan members.

Rough Justice Stop Penguin's escape from GCPD.

Fight To The Last - Kill 1500 Helghast Killed 1500 Helghast

Judge, Jury, Executioner Execute 20 aliens

Brutality Bonus Destroy a Romanov's arm and leg before finishing it.

Liking the Taste Kill a total of 10 enemy worms.

Gunslinger Assassinate General Amsel with a pistol shot. (Solo only)

Hole-in-One Destroy a Chicane with a hand grenade.

Apex Eater Kill the Atomic Leviathan

Space Ace Shoot at least 70 targets during the ride to Tau Volantis.

"I'm just waiting for a sucker to beat." Complete 'Road Warriors' as Tyler.

Aiding the Outcasts Completed "Aiding the Outcasts"

Blue Ribbon Complete a 4-player Competitive Co-Op match in 1st place. (Online co-op Only)

Electric Lawnmower Kill 30 enemies using an electrified Ripper blade.

Rip 'Em Apart! In story mode, kill 100 enemies by cutting them.

Best of the Bunch Earn the MVP award in any Online Tournament match

Perfect Timing Complete 100% of the Time Trials

Stunt Driver Get 100 stunt driver points.

Liberty City (5) Your friends all like you above 90%.

The Guns of Anchorage Completed "The Guns of Anchorage"

Iron Fist Destroy all towers and bunkers in 'Blood and Iron'.

Completist - Destroy everything on the MAWLR Destroyed every destructible weapon on the MAWLR while on foot and on the Intruder

Arctic Grave Push the chief witness into the ice lake in "Joe's Adventures."

One Bad Gato Complete 'Blackcats' on Veteran difficulty. (Solo only)

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

Login Reach Rapture Central Computing Operations

Finally Getting Along! Cheer up Raphael while playing as Casey Jones.

I Can Handle the Truth! Complete all available objective in Truth Quest

Victory - Complete Campaign on Elite Completed every mission on Elite difficulty

Paving the Way Completed "Paving the Way"