Zombie Panic! Source achievements

Survive Haunted as a Survivor once.

Survive Sapidcerebrum as a Survivor once.

Survive Underground as a Survivor once.

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

Kill an infected survivor with a shovel.

Complete Subway as a Survivor once.

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

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

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

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

As a Survivor, barricade 150 times.

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