Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Achilles	Complete all Bezoar and Barrens levels in Heroic mode
Armoured	Buy all Combat Gear Upgrades
Avenging Angel	Kill 2000 enemies using environmental damage only
Bad Boy	Kill 100 enemies
Big Brother's Eyes	Destroy 20 CCTV cameras
Blizzard (Special)	Kill 50 enemies with electricity only
Boredom No More (Tier: Easy)	Kill a Heavy Grenadier within 30 seconds on difficulty Easy or higher
Boredom No More (Tier: Hard)	Kill a Heavy Grenadier within 30 seconds on difficulty Hard or higher
Boredom No More (Tier: Insane)	Kill a Heavy Grenadier within 30 seconds on difficulty Insane
Boredom No More (Tier: Normal)	Kill a Heavy Grenadier within 30 seconds on difficulty Normal or higher
Chinese Farmer	Unlock all achievements
Colonel	Complete all Bezoar levels on difficulty Hard or higher
Death Incarnate	Kill 10000 enemies
Electrician	Buy all N.R.G. Weapon Upgrades
Elite	Collect 41 full N.A.N.O. bars
Engineer	Buy all CLN Firearm Upgrades
Enraged (Tier: Easy)	Kill 30 enemies within 20 seconds on difficulty Easy or higher
Enraged (Tier: Hard)	Kill 30 enemies within 20 seconds on difficulty Hard or higher
Enraged (Tier: Insane)	Kill 30 enemies within 20 seconds on difficulty Insane
Enraged (Tier: Normal)	Kill 30 enemies within 20 seconds on difficulty Normal or higher
Exile: Bug Splatter (Tier: Easy)	Kill a Heavy Scarab within 20 seconds on difficulty Easy or higher
Exile: Bug Splatter (Tier: Hard)	Kill a Heavy Scarab within 20 seconds on difficulty Hard or higher
Exile: Bug Splatter (Tier: Insane)	Kill a Heavy Scarab within 20 seconds on difficulty Insane
Exile: Bug Splatter (Tier: Normal)	Kill a Heavy Scarab within 20 seconds on difficulty Normal or higher
Exile: Conqueror	Complete all Barrens levels on difficulty Insane
Exile: Cop Killer (Tier: Easy)	Destroy 2 CLN Gunships within 20 seconds on difficulty Easy or higher
Exile: Cop Killer (Tier: Hard)	Destroy 2 CLN Gunships within 20 seconds on difficulty Hard or higher
Exile: Cop Killer (Tier: Insane)	Destroy 2 CLN Gunships within 20 seconds on difficulty Insane
Exile: Cop Killer(Tier: Normal)	Destroy 2 CLN Gunships within 20 seconds on difficulty Normal or higher
Exile: Crush'em! (Tier: Easy)	Use the hydraulic presses to crush all 9 Gorilla-bots on the Factory level on difficulty Easy or higher
Exile: Crush'em! (Tier: Hard)	Use the hydraulic presses to crush all 9 Gorilla-bots on the Factory level on difficulty Hard or higher
Exile: Crush'em! (Tier: Insane)	Use the hydraulic presses to crush all 9 Gorilla-bots on the Factory level on difficulty Insane
Exile: Crush'em! (Tier: Normal)	Use the hydraulic presses to crush all 9 Gorilla-bots on the Factory level on difficulty Normal or higher
Exile: Deconstruction (Tier: Easy)	Destroy the Overseer on difficulty Easy or higher
Exile: Deconstruction (Tier: Hard)	Destroy the Overseer on difficulty Hard or higher
Exile: Deconstruction (Tier: Insane)	Destroy the Overseer on difficulty Insane
Exile: Deconstruction (Tier: Normal)	Destroy the Overseer on difficulty Normal or higher
Exile: Discoverer	Complete all Barrens levels on difficulty Hard or higher
Exile: Fugitive (Tier: Easy)	Destroy a CLN Gunship within 5 seconds on difficulty Easy or higher
Exile: Fugitive (Tier: Hard)	Destroy a CLN Gunship within 5 seconds on difficulty Hard or higher
Exile: Fugitive (Tier: Insane)	Destroy a CLN Gunship within 5 seconds on difficulty Insane
Exile: Fugitive(Tier: Normal)	Destroy a CLN Gunship within 5 seconds on difficulty Normal or higher
Exile: Millionaire	Find all the secrets in Barrens
Exile: Pest Control (Tier: Easy)	Kill a Heavy Scarab on difficulty Easy or higher
Exile: Pest Control (Tier: Hard)	Kill a Heavy Scarab on difficulty Hard or higher
Exile: Pest Control (Tier: Insane)	Kill a Heavy Scarab on difficulty Insane
Exile: Pest Control (Tier: Normal)	Kill a Heavy Scarab on difficulty Normal or higher
Exile: Shock'em!	Blow up 30 fussion cells
Exile: Sucker! (Tier: Easy)	Use the blowers to destroy all 20 Bird-bots on the Crusher level on difficulty Easy or higher
Exile: Sucker! (Tier: Hard)	Use the blowers to destroy all 20 Bird-bots on the Crusher level on difficulty Hard or higher
Exile: Sucker! (Tier: Insane)	Use the blowers to destroy all 20 Bird-bots on the Crusher level on difficulty Insane
Exile: Sucker!(Tier: Normal)	Use the blowers to destroy all 20 Bird-bots on the Crusher level on difficulty Normal or higher
Exile: Wanderer	Complete all Barrens levels on difficulty Normal or higher
Extermination (Tier: Easy)	Kill 20 enemies with one shot on difficulty Easy or higher
Extermination (Tier: Hard)	Kill 20 enemies with one shot on difficulty Hard or higher
Extermination (Tier: Insane)	Kill 20 enemies with one shot on difficulty Insane
Extermination (Tier: Normal)	Kill 20 enemies with one shot on difficulty Normal or higher
Furious (Tier: Easy)	Kill 20 enemies within 15 seconds on difficulty Easy or higher
Furious (Tier: Hard)	Kill 20 enemies within 15 seconds on difficulty Hard or higher
Furious (Tier: Insane)	Kill 20 enemies within 15 seconds on difficulty Insane
Furious (Tier: Normal)	Kill 20 enemies within 15 seconds on difficulty Normal or higher
General	Complete all Bezoar levels on difficulty Insane
Hawk Eye	Shoot down a Zeppelin
Hooligan	Destroy 500 destructible items
Immortal	Complete any other level than the first one with no deaths on difficulty Insane
Immune	Complete any other level than the first one with no deaths on difficulty Hard
Killer	Kill 1000 enemies
Mechanic (Tier: Easy)	Destroy the Caul-Dron on difficulty Easy or higher
Mechanic (Tier: Hard)	Destroy the Caul-Dron on difficulty Hard or higher
Mechanic (Tier: Insane)	Destroy the Caul-Dron on difficulty Insane
Mechanic (Tier: Normal)	Destroy the Caul-Dron on difficulty Normal or higher
Monkey Business (Tier: Easy)	Kill a Gorilla within 5 seconds on difficulty Easy or higher
Monkey Business (Tier: Hard)	Kill a Gorilla within 5 seconds on difficulty Hard or higher
Monkey Business (Tier: Insane)	Kill a Gorilla within 5 seconds on difficulty Insane
Monkey Business (Tier: Normal)	Kill a Gorilla within 5 seconds on difficulty Normal or higher
Naughty	Destroy 50 destructible items
No Bananas Today (Tier: Easy)	Kill 2 Gorillas within 20 seconds on difficulty Easy or higher
No Bananas Today (Tier: Hard)	Kill 2 Gorillas within 20 seconds on difficulty Hard or higher
No Bananas Today (Tier: Insane)	Kill 2 Gorillas within 20 seconds on difficulty Insane
No Bananas Today (Tier: Normal)	Kill 2 Gorillas within 20 seconds on difficulty Normal or higher
Overkill (Tier: Easy)	Kill 10 enemies with one shot on difficulty Easy or higher
Overkill (Tier: Hard)	Kill 10 enemies with one shot on difficulty Hard or higher
Overkill (Tier: Insane)	Kill 10 enemies with one shot on difficulty Insane
Overkill (Tier: Normal)	Kill 10 enemies with one shot on difficulty Normal or higher
Patient (Tier: Easy)	Kill a Heavy Grenadier on difficulty Easy or higher
Patient (Tier: Hard)	Kill a Heavy Grenadier on difficulty Hard or higher
Patient (Tier: Insane)	Kill a Heavy Grenadier on difficulty Insane
Patient (Tier: Normal)	Kill a Heavy Grenadier on difficulty Normal or higher
Perceptive	Find 5 secrets
Pissed Off (Tier: Easy)	Kill 10 enemies within 10 seconds on difficulty Easy or higher
Pissed Off (Tier: Hard)	Kill 10 enemies within 10 seconds on difficulty Hard or higher
Pissed Off (Tier: Insane)	Kill 10 enemies within 10 seconds on difficulty Insane
Pissed Off (Tier: Normal)	Kill 10 enemies within 10 seconds on difficulty Normal or higher
Power Down	Destroy the Atlas on difficulty Insane
Power Down (Tier: Easy)	Destroy the Atlas on difficulty Easy or higher
Power Down (Tier: Hard)	Destroy the Atlas on difficulty Hard or higher
Power Down (Tier: Normal)	Destroy the Atlas on difficulty Normal or higher
Pyromaniac	Blow up 50 explosive barrels
Resistant	Complete any other level than the first one with no deaths on difficulty Normal
Retaliation	Kill 200 enemies using environmental damage only
Retirement (Tier: Easy)	Kill 5 enemies with one shot on difficulty Easy or higher
Retirement (Tier: Hard)	Kill 5 enemies with one shot on difficulty Hard or higher
Retirement (Tier: Insane)	Kill 5 enemies with one shot on difficulty Insane
Retirement (Tier: Normal)	Kill 5 enemies with one shot on difficulty Normal or higher
Revenge	Kill 20 enemies using environmental damage only
Rookie	Collect 10 full N.A.N.O. bars
Searcher	Find 25 secrets
Sergeant	Complete all Bezoar levels on difficulty Normal or higher
Suicide Mission (Tier: Easy)	Destroy the 'Shrimp' Construction Machine on difficulty Easy or higher
Suicide Mission (Tier: Hard)	Destroy the 'Shrimp' Construction Machine on difficulty Hard or higher
Suicide Mission (Tier: Insane)	Destroy the 'Shrimp' Construction Machine on difficulty Insane
Suicide Mission (Tier: Normal)	Destroy the 'Shrimp' Construction Machine on difficulty Normal or higher
Treasure Hunter	Find all the secrets in Bezoar
Vandal	Destroy 5000 destructible items
Veteran	Collect 20 full N.A.N.O. bars