| Achievement | How to unlock
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| Armoured | Buy all Combat Gear Upgrades
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| Avenging Angel | Kill 2000 enemies using environmental damage only.
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| Bad Boy | Kill 100 enemies.
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| Big Brother's Eyes | Destroy 20 CCTV cameras.
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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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| Chinese Farmer | Unlock all achievements.
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| Colonel | Finish the game on difficulty Hard or higher.
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| Death Incarnate | Kill 10000 enemies.
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| Electrician | Buy all N.R.G. Weapon Upgrades.
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| Elite | Find 41 full N.A.N.O. bars.
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| Engineer | Buy all CLN Firearm Upgrades.
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| Enraged (Tier: Easy) | Kill 30 enemies within 20 seconds on difficulty Easy or higher.
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| Enraged (Tier: Hard) | Kill 30 enemies within 20 seconds on difficulty Hard or higher.
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| Enraged (Tier: Insane) | Kill 30 enemies within 20 seconds on difficulty Insane.
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| Enraged (Tier: Normal) | 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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| Furious (Tier: Easy) | Kill 20 enemies within 15 seconds on difficulty Easy or higher.
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| Furious (Tier: Hard) | Kill 20 enemies within 15 seconds on difficulty Hard or higher.
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| Furious (Tier: Insane) | Kill 20 enemies within 15 seconds on difficulty Insane.
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| Furious (Tier: Normal) | Kill 20 enemies within 15 seconds on difficulty Normal or higher.
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| General | Finish the game on difficulty Insane.
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| Hawk Eye | Shoot down a Zeppelin.
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| Hooligan | Destroy 500 destructible items.
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| Immortal | Finish any other level than the first one with no deaths on difficulty Insane.
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| Immune | Finish any other level than the first one with no deaths on difficulty Hard.
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| Killer | Kill 1000 enemies.
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| Mechanic (Tier: Easy) | Destroy the Caul-Dron on difficulty Easy or higher.
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| Mechanic (Tier: Hard) | Destroy the Caul-Dron on difficulty Hard or higher.
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| Mechanic (Tier: Insane) | Destroy the Caul-Dron on difficulty Insane.
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| Mechanic (Tier: Normal) | 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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| Naughty | 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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| Overkill (Tier: Easy) | Kill 10 enemies with one shot on difficulty Easy or higher.
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| Overkill (Tier: Hard) | Kill 10 enemies with one shot on difficulty Hard or higher.
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| Overkill (Tier: Insane) | Kill 10 enemies with one shot on difficulty Insane.
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| Overkill (Tier: Normal) | Kill 10 enemies with one shot on difficulty Normal or higher.
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| Patient (Tier: Easy) | Kill a Heavy Grenadier on difficulty Easy or higher.
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| Patient (Tier: Hard) | Kill a Heavy Grenadier on difficulty Hard or higher.
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| Patient (Tier: Insane) | Kill a Heavy Grenadier on difficulty Insane.
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| Patient (Tier: Normal) | Kill a Heavy Grenadier on difficulty Normal or higher.
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| Perceptive | Find 5 secrets.
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| Pissed Off (Tier: Easy) | Kill 10 enemies within 10 seconds on difficulty Easy or higher.
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| Pissed Off (Tier: Hard) | 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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| Power Down (Tier: Easy) | Destroy the Atlas on difficulty Easy or higher.
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| Power Down (Tier: Hard) | 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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| Pyromaniac | Blow up 50 explosive barrels.
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| Resistant | Finish any other level than the first one with no deaths on difficulty Normal.
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| Retaliation | Kill 200 enemies using environmental damage only.
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| Retirement (Tier: Easy) | Kill 5 enemies with one shot on difficulty Easy or higher.
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| Retirement (Tier: Hard) | 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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| Revenge | Kill 20 enemies using environmental damage only.
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| Rookie | Find 10 full N.A.N.O. bars.
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| Searcher | Find 25 secrets.
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| Sergeant | 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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| Treasure Hunter | Find all the secrets in the game.
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| Vandal | Destroy 5000 destructible items.
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| Veteran | Find 20 full N.A.N.O. bars.
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