Complete the indicated task to unlock the achievement.

Achievement	How to unlock
AK-47 Expert	Defeat 50 zombies with AK-47.
Axe Expert	Defeat 50 zombies with axe.
Baseball Bat Expert	Defeat 50 zombies with baseball bat.
Brave	Defeat 10 zombies.
Build a hill that's 10 meters tall	Reach 10 meters.
Build a hill that's 15 meters tall	Reach 15 meters.
Build a hill that's 20 meters tall	Reach 20 meters.
Build a hill that's 25 meters tall	Reach 25 meters.
Build a hill that's 30 meters tall	Reach 30 meters.
Build a hill that's 35 meters tall	Reach 35 meters.
Build a hill that's 40 meters tall	Reach 40 meters.
Build a hill that's 45 meters tall	Reach 45 meters.
Build a hill that's 5 meters tall	Reach 5 meters.
Chain saw Expert	Defeat 50 zombies with chain saw.
Collect 10 souls	Gather 10 zombie souls.
Collect 20 souls	Gather 20 zombie souls.
Collect 30 souls	Gather 30 zombie souls.
Crossbow Expert	Defeat 50 zombies with crossbow.
Defeat 10 zombies with Divine Fury	Defeat 10 zombies with thunderbolts.
Defeat 10 zombies with Fire Storm	Defeat 10 zombies with fireballs.
Defeat 10 zombies with Leaves Storm	Defeat 10 zombies with the swirling leaves.
Defeat 10 zombies with Vortex	Defeat 10 zombies with the wind force.
Defeat 20 zombies with Divine Fury	Defeat 20 zombies with thunderbolts.
Defeat 20 zombies with Fire Storm	Defeat 20 zombies with fireballs.
Defeat 20 zombies with Leaves Storm	Defeat 20 zombies with the swirling leaves.
Defeat 20 zombies with Vortex	Defeat 20 zombies with the wind force.
Dynamite Expert	Defeat 50 zombies with dynamite.
Electric gun Expert	Defeat 50 zombies with electric gun.
Exterminator	Defeat 200 zombies.
Fearless	Defeat 50 zombies.
Flamethrower Expert	Defeat 50 zombies with flamethrower.
Furious	Defeat 100 zombies.
Grenades Expert	Defeat 50 zombies with grenades.
Guardian Of The Skies	Reach 50 meters.
Gun Expert	Defeat 50 zombies with gun.
Hero	Defeat 75 zombies.
Hunter	Defeat 150 zombies.
Leader Of Survivors	Win 9 multiplayer challenges.
Machete Expert	Defeat 50 zombies with machete.
Revolver Expert	Defeat 50 zombies with revolver.
Scimitar Expert	Defeat 50 zombies with scimitar.
Share Zombie Hills with your friends	Share Zombie Hills on social networks.
Shotgun Expert	Defeat 50 zombies with shotgun.
Strong	Defeat 25 zombies.
Survive 3 multiplayer challenges	Win 3 multiplayer challenges.
Survive 6 multiplayer challenges	Win 6 multiplayer challenges.
Survive a multiplayer challenge	Win a multiplayer challenge.
Survive for 10 minutes	Stay alive for 10 minutes.
Survive for 15 minutes	Stay alive for 15 minutes.
Survive for 20 minutes	Stay alive for 20 minutes.
Survive for 25 minutes	Stay alive for 25 minutes.
Survive for 3 minutes	Stay alive for 3 minutes.
Survive for 5 minutes	Stay alive for 5 minutes.
The Master Of Flames	Defeat 30 zombies with fireballs.
The Naturalist	Defeat 30 zombies with the swirling leaves.
The Son Of Thor	Defeat 30 zombies with thunderbolts.
The Soul Collector	Gather 40 zombie souls.
The Survivor	Stay alive for 30 minutes.
The Wind's Summoner	Defeat 30 zombies with the wind force.
Use AK-47 against 10 zombies	Defeat 10 zombies with AK-47.
Use AK-47 against 25 zombies	Defeat 25 zombies with AK-47.
Use Uzi against 10 zombies	Defeat 10 zombies with Uzi.
Use Uzi against 25 zombies	Defeat 25 zombies with Uzi.
Use axe against 10 zombies	Defeat 10 zombies with axe.
Use axe against 25 zombies	Defeat 25 zombies with axe.
Use baseball bat against 10 zombies	Defeat 10 zombies with baseball bat.
Use baseball bat against 25 zombies	Defeat 25 zombies with baseball bat.
Use chain saw against 10 zombies	Defeat 10 zombies with chain saw.
Use chain saw against 25 zombies	Defeat 25 zombies with chain saw.
Use crossbow against 10 zombies	Defeat 10 zombies with crossbow.
Use crossbow against 25 zombies	Defeat 25 zombies with crossbow.
Use dynamite against 10 zombies	Defeat 10 zombies with dynamite.
Use dynamite against 25 zombies	Defeat 25 zombies with dynamite.
Use electric gun against 10 zombies	Defeat 10 zombies with electric gun.
Use electric gun against 25 zombies	Defeat 25 zombies with electric gun.
Use flamethrower against 10 zombies	Defeat 10 zombies with flamethrower.
Use flamethrower against 25 zombies	Defeat 25 zombies with flamethrower.
Use grenades against 10 zombies	Defeat 10 zombies with grenades.
Use grenades against 25 zombies	Defeat 25 zombies with grenades.
Use gun against 10 zombies	Defeat 10 zombies with gun.
Use gun against 25 zombies	Defeat 25 zombies with gun.
Use machete against 10 zombies	Defeat 10 zombies with machete.
Use machete against 25 zombies	Defeat 25 zombies with machete.
Use revolver against 10 zombies	Defeat 10 zombies with revolver.
Use revolver against 25 zombies	Defeat 25 zombies with revolver.
Use scimitar against 10 zombies	Defeat 10 zombies with scimitar.
Use scimitar against 25 zombies	Defeat 25 zombies with scimitar.
Use shotgun against 10 zombies	Defeat 10 zombies with shotgun.
Use shotgun against 25 zombies	Defeat 25 zombies with shotgun.
Uzi Expert	Defeat 50 zombies with Uzi.