Kill 2 Gorillas within 20 seconds on difficulty Easy or higher
Kill 20 enemies using environmental damage only
Kill 10 enemies within 10 seconds on difficulty Easy or higher
Kill a Gorilla within 5 seconds on difficulty Easy or higher
Destroy 50 destructible items
Kill 5 enemies with one shot on difficulty Easy or higher
Kill 5 enemies with one shot on difficulty Normal or higher
Complete all Bezoar levels on difficulty Normal or higher
Complete any other level than the first one with no deaths on difficulty Normal
Collect 10 full N.A.N.O. bars
Kill 100 enemies
Blow up 50 explosive barrels
Find 5 secrets
Buy all CLN Firearm Upgrades
Buy all N.R.G. Weapon Upgrades
Buy all Combat Gear Upgrades
Kill a Heavy Grenadier on difficulty Easy or higher
Kill a Heavy Grenadier on difficulty Normal or higher
Kill a Heavy Grenadier on difficulty Hard or higher
Kill a Heavy Grenadier on difficulty Insane
Kill 10 enemies within 10 seconds on difficulty Normal or higher
Kill 10 enemies within 10 seconds on difficulty Hard or higher
Kill 10 enemies within 10 seconds on difficulty Insane
Kill 5 enemies with one shot on difficulty Hard or higher
Kill 5 enemies with one shot on difficulty Insane
Kill a Gorilla within 5 seconds on difficulty Normal or higher
Kill a Gorilla within 5 seconds on difficulty Hard or higher
Kill a Gorilla within 5 seconds on difficulty Insane
Complete all Bezoar levels on difficulty Hard or higher
Complete any other level than the first one with no deaths on difficulty Hard
Collect 20 full N.A.N.O. bars
Kill 1000 enemies
Kill 200 enemies using environmental damage only
Destroy 500 destructible items
Find 25 secrets
Kill 20 enemies within 15 seconds on difficulty Easy or higher
Kill 20 enemies within 15 seconds on difficulty Normal or higher
Kill 20 enemies within 15 seconds on difficulty Hard or higher
Kill 20 enemies within 15 seconds on difficulty Insane
Kill 10 enemies with one shot on difficulty Easy or higher
Kill 10 enemies with one shot on difficulty Normal or higher
Kill 10 enemies with one shot on difficulty Hard or higher
Kill 10 enemies with one shot on difficulty Insane
Kill 2 Gorillas within 20 seconds on difficulty Normal or higher
Kill 2 Gorillas within 20 seconds on difficulty Hard or higher
Kill 2 Gorillas within 20 seconds on difficulty Insane
Destroy the Caul-Dron on difficulty Easy or higher
Destroy the Caul-Dron on difficulty Normal or higher
Destroy the Caul-Dron on difficulty Hard or higher
Destroy the Caul-Dron on difficulty Insane
Complete all Bezoar levels on difficulty Insane
Complete any other level than the first one with no deaths on difficulty Insane
Collect 41 full N.A.N.O. bars
Kill 10000 enemies
Kill 2000 enemies using environmental damage only
Destroy 5000 destructible items
Find all the secrets in Bezoar
Kill 30 enemies within 20 seconds on difficulty Easy or higher
Kill 30 enemies within 20 seconds on difficulty Normal or higher
Kill 30 enemies within 20 seconds on difficulty Hard or higher
Kill 30 enemies within 20 seconds on difficulty Insane
Kill 20 enemies with one shot on difficulty Easy or higher
Kill 20 enemies with one shot on difficulty Normal or higher
Kill 20 enemies with one shot on difficulty Hard or higher
Kill 20 enemies with one shot on difficulty Insane
Kill a Heavy Grenadier within 30 seconds on difficulty Easy or higher
Kill a Heavy Grenadier within 30 seconds on difficulty Normal or higher
Kill a Heavy Grenadier within 30 seconds on difficulty Hard or higher
Kill a Heavy Grenadier within 30 seconds on difficulty Insane
Destroy the Atlas on difficulty Easy or higher
Destroy the Atlas on difficulty Normal or higher
Destroy the Atlas on difficulty Hard or higher
Destroy the Atlas on difficulty Insane
Destroy the 'Shrimp' Construction Machine on difficulty Easy or higher
Destroy the 'Shrimp' Construction Machine on difficulty Normal or higher
Destroy the 'Shrimp' Construction Machine on difficulty Hard or higher
Destroy the 'Shrimp' Construction Machine on difficulty Insane
Destroy 20 CCTV cameras
Shoot down a Zeppelin
Unlock all achievements
Kill 50 enemies with electricity only
Complete all Barrens levels on difficulty Normal or higher
Blow up 30 fussion cells
Kill a Heavy Scarab on difficulty Easy
Kill a Heavy Scarab on difficulty Normal
Kill a Heavy Scarab on difficulty Hard
Kill a Heavy Scarab on difficulty Insane
Destroy a CLN Gunship within 5 seconds on difficulty Easy
Destroy a CLN Gunship within 5 seconds on difficulty Normal
Destroy a CLN Gunship within 5 seconds on difficulty Hard
Destroy a CLN Gunship within 5 seconds on difficulty Insane
Complete all Barrens levels on difficulty Hard or higher
Destroy 2 CLN Gunships within 20 seconds on difficulty Easy
Destroy 2 CLN Gunships within 20 seconds on difficulty Normal
Destroy 2 CLN Gunships within 20 seconds on difficulty Hard
Destroy 2 CLN Gunships within 20 seconds on difficulty Insane
Use the blowers to destroy all 20 Bird-bots on the Crusher level on difficulty Easy
Use the blowers to destroy all 20 Bird-bots on the Crusher level on difficulty Normal
Use the blowers to destroy all 20 Bird-bots on the Crusher level on difficulty Hard
Use the blowers to destroy all 20 Bird-bots on the Crusher level on difficulty Insane
Complete all Barrens levels on difficulty Insane
Find all the secrets in Barrens
Kill a Heavy Scarab within 20 seconds on difficulty Easy
Kill a Heavy Scarab within 20 seconds on difficulty Normal
Kill a Heavy Scarab within 20 seconds on difficulty Hard
Kill a Heavy Scarab within 20 seconds on difficulty Insane
Destroy the Overseer on difficulty Easy
Destroy the Overseer on difficulty Normal
Destroy the Overseer on difficulty Hard
Destroy the Overseer on difficulty Insane
Use the hydraulic presses to crush all 11 Gorilla-bots on the Factory level on difficulty Easy
Use the hydraulic presses to crush all 11 Gorilla-bots on the Factory level on difficulty Normal
Use the hydraulic presses to crush all 11 Gorilla-bots on the Factory level on difficulty Hard
Use the hydraulic presses to crush all 11 Gorilla-bots on the Factory level on difficulty Insane
Complete all Bezoar and Barrens levels on Heroic mode
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