PixelatedPat

On the Noggin' Kill 30 aliens with headshots

There's Always Peng! Find Peng.

Why don't you get a job? Win against PinStripe in the Adventure Mode.

Brain Pain Train Slain Defeat Locomöbius.

What Are They Worth? Acquire all of the bottle caps in the game.

Promise Kept Complete End of Zoe on Easy or Normal.

Field of Battle Kill 100 enemies using environmental hazards
39/100

Natural Win a race without using any Power-Ups.

Run the Gauntlet Complete "Desperate Escape" on Professional.

Rattle the Hive Bait 10 Ghûl mounds.

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

Perfect Action Completed a stage without taking any damage on Hard difficulty or above

Amethyst Medal Defeated the Giant Orb using Dark Knack

World Tour! Complete the "Living Dead Party" world

Track Star Get first place in a racing round 20 times

Speed() Complete each Speed Test.

Paint Splurge Fire 5,000 paintballs

We Will Be Heard! Restore the radio broadcast tower.

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

The S Stands for Stylish!! Acquire all of the costumes in the game.

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

Full Body Tourettes Get knocked down 10 times

Goodbye() Recurse through the story.

Bloody Good Time Perform a Fatality in a match with every character

Pick On Someone Your Own Size! Complete the 'Ant-Man' level

Risk() Complete five encounters with all 10 Limiters in use.

Adamant Will Felled a heavyweight of the lowerworld wilds.

Final Departure Complete "Final Departure"

One() Achieve User Level 24

The taller they are... Defeat a Bile Titan.

Slowpoke! Lose the maximum level of Chase.

Rubber Ducks Destroy 5 Rubber Ducks sent by Sharkmen

Unstoppable Arsenal Completely upgrade all weapons.

The Hidden City Finish Chapter Seven

Trauma Center Defeat Dr. Benedict.

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

Sunstone Medal Defeated Katrina's Mech using Sunstone Knack

Interstellar Challenge Win against Nitros Oxide in the Adventure Mode.

“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

Army of One Win 15 matches in Slayers.

Madness Begins In American McGee’s Alice, Complete Village of the Doomed

Rough Justice Stop Penguin's escape from GCPD.

T-Bone: Friends in Need Complete Act 1

Road Rage Kill 15 aliens with the monster truck

Agency() Complete each Agency Test.

Let him do the job In one run of "Lucha Libre Get Away", let the Luchador kill 10 enemies for you

Red Wrath and Beyond Defeat Psychoreaver.

It's Starting to Grow on Me Use Rose's mutamycete powers at least 20 times.

O Mother, Where Art Thou? Have 20 Branded Ghûls at one time.

Emerald Medal Defeated Gundahar's Robot using Massive Knack