Learn 1 skin.

Learn 25 skins.

Learn 50 skins.

Kill someone while having a zombie repellent consumed.

Kill someone that is further than 500 meters away from you.

Kill someone that is in your group.

Kill someone while you're blinded by a flashbang.

Kill a total of 50 players while being blinded by a flashbang.

Kill a total of 100 players while being blinded by a flashbang.

Kill a player while being airborne.

Kill a player using a sniper.

Kill 50 players using a sniper.

Kill a player using an assault rifle.

Kill 50 players using an assault rifle.

Kill a player using a sub machine gun.

Kill 50 players using a sub machine gun.

Kill a player using a light machine gun.

Kill 50 players using a light machine gun.

Kill a player using a pistol.

Kill 50 players using a pistol.

Kill 10 players in total.

Kill 100 players in total.

Kill 500 players in total.

Kill a player with the last bullet in your magazine. (This can not be with a sniper)