Here is the full list of all 42 Guns n Zombies achievements.
Complete the game as Medic.
Complete game with Warrior.
Kill 4000 enemies with grenade launchers.
Kill 2000 enemies with grenade launchers.
Kill 4000 enemies with sniper guns.
Complete all levels on HELL difficulty.
Complete all levels on HARD difficulty.
Kill 20000 enemies.
Kill 2000 enemies with sniper guns.
Complete 8 battles on HELL difficulty.
Complete all levels on 3 stars.
Kill 4000 enemies with auto rifles.
Complete game in cooperative mode.
Kill 4000 enemies with shotguns.
Every battle scene has a materia. Find them all!
Kill 2000 enemies with shotguns.
Complete the game.
Complete game with Mechanic.
Buy 5 weapons in store.
Destroy 1200 Crystal Walls.
Kill 4000 enemies with turrets.
Buy any 3rd level tower during battle.
Kill 10000 enemies.
Kill 900 enemies with another enemy attack.
Kill 4000 enemies with Electric rifles.
Complete 8 battles on 3 stars
kill 15 enemies in 1 seconds with any gun.
Kill 2000 enemies with Electric rifles.
Kill 5000 enemies.
Use any special ability 100 times.
Kill 400 enemies with another enemy attack.
Complete the N'Aliens campaign.
Buy any Electric rifle.
Сure once.
Kill 2000 enemies with auto rifles.
Don't use turrets while 10 battles.
Play 15 minutes in cooperative mode.
Fully upgrade any turret.
Buy any special ability in the store.
Play 30 minutes in battles.
Fully upgrade any weapon.
Don't use med kits 15 battles in sequence.