Here is the full list of all 40 Atom Zombie Smasher achievements.
Use snipers to destroy 100 Zed in a mission.
Complete a 20,000 point campaign.
Rescue 40 or more people in one helicopter pickup.
Get 100 infantry kills in a mission.
Complete a campaign with the Alt. Spawning modifier.
Complete a campaign with the Triplets modifier.
Rescue everyone in a mission.
Rescue 200 people in a mission.
Destroy 50 Zed in one artillery strike.
Complete a level-4 outbreak mission.
Complete the campaign.
Destroy a Mega Zed.
Have a merc reach Level 5 veterancy.
Cleanse four Zed territories with one Llama Bomb.
Get 100 artillery kills in a mission.
Survive the night.
Rescue at least 100 people in July.
Rescue 100 people in a mission.
Destroy all Zed in a mission.
Complete a level-3 outbreak mission.
Unlock all the vignettes.
Accrue 10,000 sniper kills.
Accrue 10,000 infantry kills.
Accrue 10,000 artillery kills.
Accrue 10,000 landmine kills.
Accrue 10,000 dynamite kills.
Launch 500 Llama Bombs.
Complete a campaign with the Hardcore and Permadeath modifier.
Accrue 500 gold medals.
Purchase a Llama Bomb.
Rescue 300 people in a mission.
Complete a mission under 30 seconds.
Rescue 100,000 people.
Rescue 10,000 scientists.
Destroy 50 Zed in one dynamite explosion.
Destroy 50 Zed in one landmine explosion.
Get 100 dynamite kills in a mission.
Get 100 landmine kills in a mission.
Complete a mission with 3 players.
Defeat Wave 7 in the KringleJammer mini-game.