SPARTAN3

Science Defeat the Technomancer as Steroids

Thriller Defeat Hyper Crystal as Horror.

Way Of The Chicken Reach 2-1 on Hard Mode as Chicken.

Never Look Back Defeat Captain as Rogue.

Frog Zone Play as Frog.

Go Hard Unlock Hard Mode.

The Struggle Is Over Defeat Captain.

Quack Quack It's time for the crash test.

Dynasty You have won five consecutive Mayhem Bowls in Dynasty Mode!

Exterminator You have killed 1000 players of opposite teams!

Good Riddance Unlock a Golden Disc Gun or Golden Nuke Launcher.

Vault Raider Unlock all Crowns as one character.

Unstoppable Reach Level Ultra as Skeleton

Ultra Mutant Get 100% of the unlocks.

Roundabout Finish the Nova level by only turning in one direction.

Green peace Push the second bulb inside the sundews without letting the particles fall inside.

Eating is cheating Don't trigger any nausea during the Slightly acid level.

The Wages of Fear Finish a level after at least 10 nitroglycerine explosions.

Souvenir Keep your glass ball intact in the Tahiti level.

Say "truck" Make sure your fire engine remains undamaged.

Total reaction Finish all levels.

Waiter Don't drop any liquid from the tank in the 2011 vintage level.

Gold rush Earn 48 gold medals.

OFFENSIVE MODE COMPLETED You completed Offensive mode! That's pretty hardcore.