Killed 25 enemies while maintaining a Hit Streak

Completed a Torment

Never hit off-beat in a Hell

Killed 8 enemies in 4 seconds

Reached Hit Streak: 50

Reached Hit Streak: 20

Survive 10 consecutive waves using only custom weapons.

Kill a Ram using tackle skill.

Play with 10 different co-op partners for at least 15 minutes each.

Use a hammer to kill a series of 15 zombies without taking damage.

Equip effervescent-quality gear in all slots (except class mod).

Complete the mission "Paradise Found".