Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Art Thief	Unknown.
Blasted	Killed by blast damage.
Chainsaw Warrior	25 kills by chainsaw.
Dog Eat Dog	Fed an enemy to a tentacle.
Gun Kills 1	10 kills with guns.
Gun Kills 2	25 kills with guns.
Gun Kills 3	100 kills with guns.
Just Keep Trying Already	100 Campaign Deaths.
Kill it with fire	25 kills by fire.
Kills 1	Killed 10 enemies.
Kills 2	Killed 25 enemies.
Kills 3	Killed 100 enemies.
Level 1	Completed Campaign Level 1.
Level 10	Completed Campaign Level 10.
Level 2	Completed Campaign Level 2.
Level 3	Completed Campaign Level 3.
Level 4	Completed Campaign Level 4.
Level 5	Completed Campaign Level 5.
Level 6	Completed Campaign Level 6.
Level 7	Completed Campaign Level 7.
Level 8	Completed Campaign Level 8.
Level 9	Completed Campaign Level 9.
Lightning Bolt	25 kills by electricity.
Melee 1	10 kills with melee.
Melee 2	25 kills with melee.
Melee 3	100 kills with melee.
Reaper	25 melee kills on unaware enemies.
Toasted	Killed by fire damage.
Try Try Again	10 Campaign Deaths.
Try Try Try Again	25 Campaign Deaths.
Underground	Finished an Underground level.
Wasteland	Finished a Wasteland level.
Wildlife Photographer	Unknown.
Zapped	Killed by electrical damage.