As the Carrier, lead a group of 5 or more zombies.

As the Carrier, infect three survivors in the same round.

As the Carrier, kill three survivors in the same life.

As the Carrier, use 'Roar' ability 250 times.

As the Carrier, use your spotting ability on 100 different survivors.

Break 80 unfortunate doors.

As a Survivor, get hit by 4 different zombies and survive the round.

Share a full box of ammo with a teammate needing.

As a Survivor, barricade 150 times.

Kill 3 zombies in a row through headshots with the baseball bat.

As a Survivor, be spotted by a Carrier 45 times.

Play a full round as every ZPS character.

Kill 3 zombies with one single grenade.

Blow yourself up along with 3 zombies using an IED.

As a Survivor, kill an infected survivor before he turns into a zombie.

As a Survivor, heal a total of 25 survivors with the white or red inoculator.

As a Survivor, delay someone's infection with a green inoculator.

Play a full round on all of the official maps.

Win any round using only melee weapons (requires at least one melee kill).

As a Survivor, play in a round where everyone is playing as Eugene and Marcus.

As a Survivor, kill 2 Zombies with a single melee swing.

Kill 6 consecutive regular zombies by headshots with a revolver without reloading or changing weapons.

Do a total of 600 damage with a keyboard.

Kill an infected survivor with a shovel.