| Achievement | How to unlock
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| - Buy all Combat Gear Upgrades
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| - Kill 2000 enemies using environmental damage only.
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- Boredom No More (Tier: Easy)
| - Kill a Heavy Grenadier within 30 seconds on difficulty Easy or higher.
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- Boredom No More (Tier: Hard)
| - Kill a Heavy Grenadier within 30 seconds on difficulty Hard or higher.
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- Boredom No More (Tier: Insane)
| - Kill a Heavy Grenadier within 30 seconds on difficulty Insane.
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- Boredom No More (Tier: Normal)
| - Kill a Heavy Grenadier within 30 seconds on difficulty Normal or higher.
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| - Finish the game on difficulty Hard or higher.
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| - Buy all N.R.G. Weapon Upgrades.
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| - Find 41 full N.A.N.O. bars.
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| - Buy all CLN Firearm Upgrades.
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| - Kill 30 enemies within 20 seconds on difficulty Easy or higher.
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| - Kill 30 enemies within 20 seconds on difficulty Hard or higher.
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| - Kill 30 enemies within 20 seconds on difficulty Insane.
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| - Kill 30 enemies within 20 seconds on difficulty Normal or higher.
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- Extermination (Tier: Easy)
| - Kill 20 enemies with one shot on difficulty Easy or higher.
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- Extermination (Tier: Hard)
| - Kill 20 enemies with one shot on difficulty Hard or higher.
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- Extermination (Tier: Insane)
| - Kill 20 enemies with one shot on difficulty Insane.
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- Extermination (Tier: Normal)
| - Kill 20 enemies with one shot on difficulty Normal or higher.
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| - Kill 20 enemies within 15 seconds on difficulty Easy or higher.
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| - Kill 20 enemies within 15 seconds on difficulty Hard or higher.
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| - Kill 20 enemies within 15 seconds on difficulty Insane.
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| - Kill 20 enemies within 15 seconds on difficulty Normal or higher.
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| - Finish the game on difficulty Insane.
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| - Destroy 500 destructible items.
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| - Finish any other level than the first one with no deaths on difficulty Insane.
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| - Finish any other level than the first one with no deaths on difficulty Hard.
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| - Destroy the Caul-Dron on difficulty Easy or higher.
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| - Destroy the Caul-Dron on difficulty Hard or higher.
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| - Destroy the Caul-Dron on difficulty Insane.
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| - Destroy the Caul-Dron on difficulty Normal or higher.
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- Monkey Business (Tier: Easy)
| - Kill a Gorilla within 5 seconds on difficulty Easy or higher.
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- Monkey Business (Tier: Hard)
| - Kill a Gorilla within 5 seconds on difficulty Hard or higher.
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- Monkey Business (Tier: Insane)
| - Kill a Gorilla within 5 seconds on difficulty Insane.
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- Monkey Business (Tier: Normal)
| - Kill a Gorilla within 5 seconds on difficulty Normal or higher.
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| - Destroy 50 destructible items.
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- No Bananas Today (Tier: Easy)
| - Kill 2 Gorillas within 20 seconds on difficulty Easy or higher.
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- No Bananas Today (Tier: Hard)
| - Kill 2 Gorillas within 20 seconds on difficulty Hard or higher.
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- No Bananas Today (Tier: Insane)
| - Kill 2 Gorillas within 20 seconds on difficulty Insane.
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- No Bananas Today (Tier: Normal)
| - Kill 2 Gorillas within 20 seconds on difficulty Normal or higher.
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| - Kill 10 enemies with one shot on difficulty Easy or higher.
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| - Kill 10 enemies with one shot on difficulty Hard or higher.
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| - Kill 10 enemies with one shot on difficulty Insane.
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| - Kill 10 enemies with one shot on difficulty Normal or higher.
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| - Kill a Heavy Grenadier on difficulty Easy or higher.
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| - Kill a Heavy Grenadier on difficulty Hard or higher.
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| - Kill a Heavy Grenadier on difficulty Insane.
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| - Kill a Heavy Grenadier on difficulty Normal or higher.
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| - Kill 10 enemies within 10 seconds on difficulty Easy or higher.
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| - Kill 10 enemies within 10 seconds on difficulty Hard or higher.
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- Pissed Off (Tier: Insane)
| - Kill 10 enemies within 10 seconds on difficulty Insane.
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- Pissed Off (Tier: Normal)
| - Kill 10 enemies within 10 seconds on difficulty Normal or higher.
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| - Destroy the Atlas on difficulty Easy or higher.
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| - Destroy the Atlas on difficulty Hard or higher.
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- Power Down (Tier: Insane)
| - Destroy the Atlas on difficulty Insane.
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- Power Down (Tier: Normal)
| - Destroy the Atlas on difficulty Normal or higher.
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| - Blow up 50 explosive barrels.
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| - Finish any other level than the first one with no deaths on difficulty Normal.
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| - Kill 200 enemies using environmental damage only.
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| - Kill 5 enemies with one shot on difficulty Easy or higher.
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| - Kill 5 enemies with one shot on difficulty Hard or higher.
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- Retirement (Tier: Insane)
| - Kill 5 enemies with one shot on difficulty Insane.
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- Retirement (Tier: Normal)
| - Kill 5 enemies with one shot on difficulty Normal or higher.
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| - Kill 20 enemies using environmental damage only.
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| - Find 10 full N.A.N.O. bars.
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| - Finish the game on difficulty Normal or higher.
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- Suicide Mission (Tier: Easy)
| - Destroy the 'Shrimp' Construction Machine on difficulty Easy or higher.
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- Suicide Mission (Tier: Hard)
| - Destroy the 'Shrimp' Construction Machine on difficulty Hard or higher.
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- Suicide Mission (Tier: Insane)
| - Destroy the 'Shrimp' Construction Machine on difficulty Insane.
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- Suicide Mission (Tier: Normal)
| - Destroy the 'Shrimp' Construction Machine on difficulty Normal or higher.
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| - Find all the secrets in the game.
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| - Destroy 5000 destructible items.
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| - Find 20 full N.A.N.O. bars.
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