Potty321

Isaac 2.0 Complete the game on "Impossible"

Heroic Survivor Complete all missions on Elite difficulty level

Engineer By Trade Beat the top score on the "Maintenance Bay" Challenge

Flowerslave Summoned all Motor Forges

Diplomatic Perform a hostage trade.

Roadie Completed Campaign mode on Normal

Baby steps Attain a Time Trial star rating of 20

In the Game Create a Virtual Pro

TK's Favorite Play and win in all 9 TIR events

Weapon Nut Max out all upgrades for every weapon on one profile

Colony Full Of Crazy People Beat the top score on the "Medical Bay" Challenge

Gunslinger Kill 30 enemies with the pistol

Laugh It Up Partner Beat the top score on the "Mess Hall" Challenge

Off the Woodwork Score off the post or cross bar in a match

Ready For Takeoff Beat the top score on the "Shuttle Bay 47" Challenge

Bridge Commander Beat the top score on the "Atrium" Challenge

Herbal Remedies Beat the top score on the "East Grow Chamber" Challenge

Get A Medic Beat the top score on the "Life Support Room" Challenge

Need A Towel Beat the top score on the "Water Tunnels" Challenge

Mega Star Earn 50 stars on one profile

Access all areas Unlock all Time Trial stretches

Locksmith! Open all doors in the map. (Map Pack 3 only)

Time to start a new character Reach Rank 5

Poacher Score from inside the box with a player with the Poacher Speciality

Cheater! Buy a Cheat.

In. The. Face! Kill one of each enemy type with the Maul.

Revenge Revisited Complete Story Mode on hard difficulty.

Ooooh Yeah! Kill 5 enemies with one L.E.O. shoulder bash.

Pt Achieve a Platinum Medal in all Events.

Don't Tread on Me Complete the "Iron Clad" Special Ops mission on any difficulty.

Stay Frosty Complete the "Arctic Recon" Special Ops mission on any difficulty.

Martian Can Opener Buy every Upgrade.

Better With a Friend Solve all case files in Co-op mode

A Star Is Born Create a Virtual Pro

Practice Makes Perfect Work on your skills in Practice Mode

Training Time Work on your skills in any Arena Practice Mode

Kiss the Cook Roast 10 enemies with the Napalm Cannon.

Hammer Time Repair 200 window boards in a single game. (Map Pack 2 only)

Man Up Sweetheart Unlock all trophies

Weapon of Minor Destruction Kill no more than one zombie with a nuke. (Map Pack 2 only)

Helipocalypse Destroy 6 helicopters in the "Kill Switch" Special Ops mission.

Master of the Tear Double Teamed with every Drowning Doom unit

Serpent Spanker Freed 80 Bound Serpents

All For One, One For All Finish a 4 player Infestation game beyond wave 9 without anyone bleeding out.

Stick Around Kill 20 enemies with the Combi Stick

It's a trap! Take down an enemy with a Satchel Charge

Favored Acquired 3,000 Fire Tributes

Skilled Negotiator Complete the Special Ops mission "Negotiator" on Veteran difficulty.

Tough as nails Win all storyline campaign missions (not including What-If missions) playing either Online Versus, or in Hard mode

Platinum Trophy Obtain all trophies.