Kill Oz with a Lynx in Descent.

Cross the water with a teleport grenade in Descent.

Telefrag 50 enemies in a single match in Carrier.

Jump over 4 live sharks in 10 seconds in Carrier.

Use the Grenade Disposal Machine 30 times in a single match in Carrier.

Kill 100 zombies with traps in Infection.

Use the cure station to kill 5 host zombies at once in Infection.

Rescue a total of 20 survivors in Infection.

Steal 10 kills from a teammate in Outbreak.

Slam 10 zombies at once in Outbreak.

Have 15000 credits in the bank in Outbreak.

Survive until Round 25 in Outbreak.