Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Arsonist	Witness 100 Flamethrower Activations.
Cheater	Collect 50 power ups.
Collector	Collect 10 power ups.
Completionist v1	Complete the 1st challenge.
Completionist v10	Complete the 10th challenge.
Completionist v11	Complete the 11th challenge.
Completionist v12	Complete the 12th challenge.
Completionist v13	Complete the 13th challenge.
Completionist v14	Complete the 14th challenge.
Completionist v15	Complete the 15th challenge.
Completionist v2	Complete the 2nd challenge.
Completionist v3	Complete the 3rd challenge.
Completionist v4	Complete the 4th challenge.
Completionist v5	Complete the 5th challenge.
Completionist v6	Complete the 6th challenge.
Completionist v7	Complete the 7th challenge.
Completionist v8	Complete the 8th challenge.
Completionist v9	Complete the 9th challenge.
Cunning	Witness 100 Fake Wall Activations.
Deranged	Witness 200 murders.
Devious	Witness 200 Fake Wall Activations.
Encumbered	Witness 10 Spore Cluster Activations.
Epidemic	Witness 100 immobilizations.
Escape Artist	Witness 200 escapes.
Evader	Witness 100 escapes.
Explosive	Cause 100 explosions.
Fatal	Have 100 hives activated.
Firebug	Witness 20 Flamethrower Activations.
Flagellant	Witness 50 suicides.
Flammable	Cause 20 explosions.
Freaked Out	Witness 100 murders.
Hacker	Collect 100 power ups.
Harmful	Have 10 hives activated.
Hazardous	Have 50 hives activated.
Hooligan	Destroy 100 armor plates.
Immobilized	Witness 100 Spore Cluster Activations.
Impaled	Drop 100 icicles.
Masochist	Witness 100 suicides.
Michael Bay	Cause 200 explosions.
Outbreak	Witness 20 immobilizations.
Pandemic	Witness 200 immobilizations.
Pricked	Drop 10 icicles.
Punk	Destroy 10 armor plates
Pyromaniac	Witness 200 Flamethrower Activations.
Recruit	Play 20 battles.
Restrained	Witness 50 Spore Cluster Activations.
Runner	Witness 20 escapes.
Sadist	Witness 10 suicides.
Sergeant	Play 100 battles.
Shocked	Witness 20 murders.
Sneaky	Witness 20 Fake Wall Activations.
Stabbed	Drop 50 icicles.
Thug	Destroy 50 armor plates.
Veteran	Play 200 battles.