PashMastor

Four Ring Circus Enter 4 different portals without touching the ground in co-op

Party of Three Find the hidden companion cube in co-op test chamber

You Saved Science Complete all test chambers in all courses of co-op

Portal Conservation Society Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

Empty Gesture Drop your co-op partner in goo while they are gesturing by removing the bridge under them

Rock Portal Scissors Win 3 co-op games of rock-paper-scissors in a row

Narbacular Drop Place a portal under your co-op partner while they are gesturing

Iron Grip Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

Welcome Back Play the game after a week long break.

Asking for Trouble Taunt GLaDOS in front of a camera in each of the five co-op courses

Obstacle Building Complete all test chambers in the Excursion Funnels co-op course

Gesticul-8 Perform all 8 gestures of your own volition in co-op

Bridge Building Complete all test chambers in the Hard-Light Surfaces co-op course

Can't Touch This Dance in front of a turret blocked by a hard light bridge in co-op

Confidence Building Complete all test chambers in the Mass and Velocity co-op course

Use the wheel, earn more XP Complete an objective after first selecting it on the Objective Wheel

Not over till the fat lady sings! Take down an enemy with gunfire while knocked down

Great shot kid! One in a million Take down an enemy by shooting a grenade

King of the world! Complete all 3 Star Challenges

Who's bad? Complete all 1 Star Challenges

You're going places, kid! Reach Rank 2

Very well done indeed! Complete your first 3 Star Challenge

Well done! Complete your first 1 Star Challenge

The start of something big Win any mission, whether campaign or What-If

No I insist, you take it Use the last of your Supplies to refill a teammate's ammo rather than your own

Boom! Detonate a HE Charge

I live... again! Revive yourself

Air Show Perform 2 aerial gestures before touching the ground in co-op

Just... One... More... Go... Play LittleBigPlanet™2 after 9pm

Protection Detail Complete Meet The Neighbors

Of The People, For The People Pick up an enemy AK

Rule #5 Patch your wounds

Weaponsmith Customize a weapon

Welcome To Gissar Complete Welcome To Tajikistan

Pride Of Kirby Complete a mission as the Rifleman

Rule #2 Short, controlled bursts

Final Transmission Find the hidden signal in one of the Rat Man's dens

Team Building Complete all test chambers in the Team Building co-op course

Lunacy That just happened

Pit Boss Show that pit who's boss

The Part Where He Kills You This is that part

Smash TV Break 11 test chamber monitors

Tunnel of Funnel Master the Excursion Funnel

Dual Pit Experiment Do the same test twice

You Made Your Point Refuse to solve the first test in Chapter 8

White Out Complete the first Conversion Gel test

Stranger Than Friction Master the Propulsion Gel

Portrait of a Lady Find a hidden portrait

Tater Tote Carry science forward

Ship Overboard Discover the missing experiment