Play 50 Exo Survival Matches.
Successfully Complete Exo Survival Bonus Wave.
Play 30 minutes with each class online in Exo Survival.
"Flip" a map.
"Flip" a map twice.
Survive until round 10.
Survive until round 25.
Upgrade 2 weapons to level 20.
Have 15000 credits in the bank.
Acquire the Exo suit without spending any money.
Steal 10 kills from a teammate.
Call in a rescue.
Slam 10 zombies at once.
Use the 3D Printer 15 times in a single match.
Exo Melee kill 10 zombies in 30 seconds.
Survive until round 10 in Infection.
Survive until round 25 in Infection.
Use the cure station to kill 5 host zombies at once in Infection.
Kill 100 zombies with traps in Infection.
Rescue 1 survivor in Infection.
Rescue 4 survivors in a single game in Infection.
Rescue a total 20 survivors in Infection.
Kill a Goliath with a melee attack in Infection.
Cook 50 zombies with the Magnetron in Infection.
Activate Bubby in Infection.
Reach Round 10 in Carrier.
Reach Round 30 in Carrier.
Sink the boat in Carrier.
Use the Grenade Disposal Machine 30 times in a single match in Carrier.
Defuse 5 gas bombs in a single match in Carrier.
Ride Chompy for 5 minutes in a single match in Carrier.
Telefrag 50 enemies in a single match in Carrier.
Hit 18 enemies with a single shot of the LZ-52 Limbo in Carrier.
Kill 20 enemies in a single burst of Explosive Touch in Carrier.
Jump over 4 live sharks in 10 seconds in Carrier.
Defeat Oz in Descent.
Defeat Oz... again in Descent.
Complete Oz's Challenges in Descent.
Defeat Oz for the last time in Descent.
Kill Oz with a Blunderbuss in Descent.
Cross the water with a teleport grenade in Descent.
Punch Oz with a Goliath in Descent.
Punch 20 enemies with a Goliath in Descent.
Reach round 7 without anyone opening a door in Descent.
Kill 100 enemies behind you with the KL03-Trident in Descent.