Here is the full list of all 106 Zombie Panic! Source achievements.
Win a round on Biotec as a Zombie.
Complete any official objective map for the first time.
Survive any official survival map for the first time.
Complete Aquatica as a Survivor once.
Complete Biotec as a Survivor once.
Complete Corpsington as a Survivor once.
Complete Frozenheart as a Survivor once.
Complete Harvest as a Survivor once.
Complete Keretti as a Survivor once.
Complete Murksville as a Survivor once.
Complete Shreddingfield as a Survivor once.
Complete Subway as a Survivor once.
Complete Tanker as a Survivor once.
Complete Zomboeing as a Survivor once.
Survive Asylum as a Survivor once.
Survive Blackout as a Survivor once.
Survive Cinema as a Survivor once.
Survive Clubzombo as a Survivor once.
Survive Corpsington as a Survivor once.
Survive Deadend as a Survivor once.
Survive Haunted as a Survivor once.
Survive Keretti as a Survivor once.
Survive Nightmare as a Survivor once.
Survive Pithole as a Survivor once.
Survive Policestation as a Survivor once.
Survive Ruralpanic as a Survivor once.
Survive Sapidcerebrum as a Survivor once.
Survive Silence as a Survivor once.
Survive Thrillvile as a Survivor once.
Survive Town as a Survivor once.
Survive Underground as a Survivor once.
Win a round on Aquatica as a Zombie.
Win a round on Corpsington as a Zombie.
Win a round on Frozenheart as a Zombie.
Win a round on Harvest as a Zombie.
Win a round on Keretti as a Zombie.
Win a round on Murksville as a Zombie.
Win a round on Shreddingfield as a Zombie.
Win a round on Subway as a Zombie.
Win a round on Tanker as a Zombie.
Win a round on Zomboeing as a Zombie.
Win a round on Asylum as a Zombie.
Win a round on Blackout as a Zombie.
Win a round on Cinema as a Zombie.
Win a round on Clubzombo as a Zombie.
Win a round on Survival Corpsington as a Zombie.
Win a round on Deadend as a Zombie.
Win a round on Haunted as a Zombie.
Win a round on Survival Keretti as a Zombie.
Win a round on Nightmare as a Zombie.
Win a round on Pithole as a Zombie.
Win a round on Policestation as a Zombie.
Win a round on Ruralpanic as a Zombie.
Win a round on Sapidcerebrum as a Zombie.
Win a round on Silence as a Zombie.
Win a round on Thrillvile as a Zombie.
Win a round on Survival Town as a Zombie.
Win a round on Underground as a Zombie.
As a Survivor, kill an infected survivor before he turns into a zombie.
Kill 3 zombies with one single grenade.
Blow yourself up along with 3 zombies using an IED.
Share a full box of ammo with a teammate needing.
Share a fully loaded heavy firearm with a teammate needing.
As a Survivor, barricade 150 times.
Win any round using only melee weapons (requires at least one melee kill).
Play a full round as every ZPS character.
Play a full round on all of the official maps.
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, lead a group of 5 or more zombies.
As a Zombie, have a total of 100 kill assists.
As a Zombie, assist in killing two survivors while berserk mode.
After being infected, kill a survivor right after turning into a zombie.
As a Zombie, destroy 150 breakable props.
As a Zombie, destroy 50 barricades.
As the Carrier, use your spotting ability on 100 different survivors.
As a Survivor, be spotted by a Carrier 45 times.
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 Survivor, delay someone's infection with a green inoculator.
Do a total of 600 damage with a keyboard.
Kill 3 zombies in a row through headshots with the baseball bat.
Kill an infected survivor with a shovel.
Kill 30 zombies with a sledgehammer through headshots.
As a Zombie, prop kill a survivor.
Kill 6 consecutive regular zombies by headshots with a revolver without reloading or changing weapons.
As a Zombie, set a survivor on fire
As a Survivor, play in a round where everyone is only using Eugene and Marcus.
As a Survivor, kill the zombie who is carrying the keycard on Aquatica.
As a Zombie, steal the documents before the survivors obtain them on Aquatica.
As a Survivor, push the generator all the way up until the end on Corpsington.
As a Survivor, find and fill up 50 gas cans in the generator on Frozenheart.
As a Zombie, kill 50 survivors with headshots
As a Zombie, kill at least two survivors before the emergency broadcast ends on Harvest.
As a Survivor, escape through the alternative route on Subway.
As a Survivor, find and deliver 20 supply crates on Zomboeing.
As a Survivor, hotwire the truck 25 times on Zomboeing.
As a Survivor, be the last man standing and win the round on Silence.
As a Zombie, do a total of 800 damage on Thrillville.
As a Survivor, kill 2 Zombies with a single melee swing
Break 80 unfortunate doors