Kill 2000 enemies with a shotgun.

Kill 4000 enemies with a shotgun.

Kill 2000 enemies with a sniper rifle.

Kill 4000 enemies with a sniper rifle.

Kill 4000 enemies with turrets.

Play the game for 30 minutes in battles.

Play the game for 15 minutes in cooperative mode.

Kill 400 by setting them against the others.

Kill 900 by setting them against the others.

kill 15 enemies in 2 seconds with any gun.

Don't use turrets while 10 battles.

Set up any 3rd level turret during battle.

Use any special ability 100 times.

Complete the game as Medic.

Kill 2000 enemies with Electric rifles.

Kill 4000 enemies with Electric rifles.

Complete the N'Aliens campaign.