Zombie Panic! Source

Complete any official objective map for the first time.

Survive any official survival map for the first time.

Win a round on Harvest as a Zombie.

Win a round on Aquatica as a Zombie.

Win a round on Biotec as a Zombie.

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

Win a round on Cinema as a Zombie.

Win a round on Frozenheart as a Zombie.

Win a round on Shreddingfield as a Zombie.

Win a round on Murksville as a Zombie.

Win a round on Zomboeing as a Zombie.

Win a round on Corpsington as a Zombie.

Win a round on Tanker as a Zombie.

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

Win a round on Keretti as a Zombie.

After being infected, kill a survivor right after turning into a zombie.

Win a round on Policestation as a Zombie.

Win a round on Subway as a Zombie.

Win a round on Asylum as a Zombie.

Win a round on Silence as a Zombie.

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

Win a round on Town as a Zombie.

Win a round on Deadend as a Zombie.

Win a round on Nightmare as a Zombie.

Win a round on Haunted as a Zombie.

Win a round on Ruralpanic as a Zombie.

Win a round on Thrillvile as a Zombie.

Win a round on Clubzombo as a Zombie.

Win a round on Pithole as a Zombie.

Win a round on Blackout as a Zombie.

Win a round on Sapidcerebrum as a Zombie.

Win a round on Survival Keretti as a Zombie.

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

As a Zombie, kill at least two survivors before the emergency broadcast ends on Harvest.

Play a full round as every ZPS character.

Survive Cinema as a Survivor once.

Win a round on Survival Corpsington as a Zombie.

Win a round on Underground as a Zombie.

Complete Keretti as a Survivor once.

Complete Frozenheart as a Survivor once.

Complete Harvest as a Survivor once.

Complete Tanker as a Survivor once.

As a Zombie, steal the documents before the survivors obtain them on Aquatica.

Complete Aquatica as a Survivor once.

Complete Shreddingfield as a Survivor once.

Complete Biotec as a Survivor once.

Complete Subway as a Survivor once.

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

Complete Corpsington as a Survivor once.

Survive Pithole as a Survivor once.

Complete Murksville as a Survivor once.

Survive Asylum as a Survivor once.

Survive Silence as a Survivor once.

As a Survivor, kill the zombie who is carrying the keycard on Aquatica.

Survive Clubzombo as a Survivor once.

Survive Deadend as a Survivor once.

Survive Policestation as a Survivor once.

Do a total of 600 damage with a keyboard.

As a Survivor, escape through the alternative route on Subway.

Survive Thrillvile as a Survivor once.

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

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

Kill 30 zombies with a sledgehammer through headshots.

Kill an infected survivor with a shovel.

As a Survivor, barricade 150 times.

As a Zombie, have a total of 100 kill assists.

Survive Blackout as a Survivor once.

As a Zombie, prop kill a survivor.

As a Zombie, destroy 50 barricades.

As a Survivor, find and deliver 20 supply crates on Zomboeing.

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

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

As a Zombie, assist in killing two survivors while berserk mode.

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

As a Survivor, find and fill up 50 gas cans in the generator on Frozenheart.

As a Survivor, hotwire the truck 25 times on Zomboeing.

As a Survivor, be the last man standing and win the round on Silence.

Break 80 unfortunate doors.

As a Survivor, push the generator all the way up until the end on Corpsington.

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

As a Zombie, kill 50 survivors with headshots.

Survive Sapidcerebrum as a Survivor once.

Kill 3 zombies with one single grenade.

Survive Nightmare as a Survivor once.

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

Survive Haunted as a Survivor once.

As a Zombie, set a survivor on fire.

Complete Zomboeing as a Survivor once.

Survive Town as a Survivor once.

As a Zombie, do a total of 800 damage on Thrillville.

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

As a Zombie, destroy 150 breakable props.

Survive Underground as a Survivor once.

Blow yourself up along with 3 zombies using an IED.

Survive Corpsington as a Survivor once.

Survive Keretti as a Survivor once.

Survive Ruralpanic as a Survivor once.