KingSuperOne

Anyone see that? Complete a predator encounter without ever being spotted in the Main Story

Clinical Trialist Awarded for defeating the Serpent of the Scales and gaining the true power of light.

Rogue's Gallery Complete the fourth mission of the U.S.S. campaign.

Great Briton Complete the level "England – King Arthur's Tomb?"

Giant Slayer Defeat El Gigante in Separate Ways.

Sunstone Medal Defeated Katrina's Mech using Sunstone Knack

Friend Indeed Save your captured partner ten times in the main campaign.

Perhaps sooner, Perhaps later Defeat the Joker

Minced Meat Take out the Mall's biggest customer

Full Body Tourettes Get knocked down 10 times

Sphinx' Riddle Complete all 40 of the Catwoman Riddler grid items

National A License Complete the A License.

Master philanthropist Buy all the extra artwork

It's Nepal Good Complete the level "Nepal – The Ghalali Key"

In Their Sleep In Campaign, kill 5 stunned enemies in under 3 seconds.

Snaretastic As a Chomper, Swallow 10 Snared Zombies in a session

Jail Break Complete Authority Prison in the Campaign

“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

Not out of Gobblegum! In Shadows of Evil, purchase and chew every type of GobbleGum in your Pack.

Teacher's Pet You watched all the tutorials! Take a gold star, go to the top of the class.

Smorgasbord of Destruction Buy one of each available turret type in any level. (Any mode)

No Man Left Escape with all four players in Regular or Hardcore difficulty.

Who You Gonna Call? You defeated 30 ghosts.

Major Malfunction Destroy 50% of the Newsbots in the Single Player Campaign

Emerald Medal Defeated Gundahar's Robot using Massive Knack

A Job Well Done Complete the game on Explorer or Adventurer difficulty

Variety is the Spice of Life Use every weapon in the game at least once.

Thunderstruck Perform an S Rank Combo using Alastor

Road Rage Kill 15 aliens with the monster truck

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

Fight To The Last - Kill 1500 Helghast Killed 1500 Helghast

Electric Lawnmower Kill 30 enemies using an electrified Ripper blade.

"It" Kept You Busy Defeat Pesanta in Separate Ways.

Defenseless Complete a level other than Zurgo's Lair of Doom without purchasing any base defenses. (Campaign)

You're in for it now! Saved a custom character in Character Customization.

Cruising Big Butte County Drive around in Big Butte County in Story mode
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He's Got a Hologram! Use a Holoduke in SP

Back to the Basement Complete the campaign.

ytiC daeD Complete Dead City Reverse in the Campaign

Archivalist Collect all journals

No pain, no gain! Dealt 2000 damage in Practice mode.

Can't Stop This Win an Invasion 1v1 fight

Zomboss Recruit Reach Level 5 with Every Zombie Class

Tower Master Complete 10 Living Towers

Switched Off Complete mission contract 'Lights Out'

A Friend in Need Play Co-op mode

Active Lifestyle Get a 3 Star Rating on all the Activities in the game

Machine Crusher Defeat NANCY-MI847J.

Faction Champion Reach level 50 in any faction

Elder God Komplete all trophies