Kill a zip-lining enemy player in multiplayer.

Kill 10 enemies with the Grenade Launcher in Multiplayer

Kill 10 enemies with the EMG Mark V Pistol in Multiplayer

Complete a tracked challenge in a Multiplayer Match

Use a taunt from Expansion 2 during a Multiplayer Match

Detect 20 enemies using the Threat Pulse in Multiplayer

Win a Multiplayer match

Reach Level 5 in Multiplayer

Reach level 10 in multiplayer.

In multiplayer, escape death 3 times by using the rope ascender.

Stealthily kill 15 Enemies.

On the level HUNTER kill the nosalises before they break through the ventilation grilles.