| Achievement | How to unlock
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|---|
| Addicted to destruction | Complete the game on any difficulty setting 2 times in a row.
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| Award for effort | Earn an extra life.
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| Band of followers | Gather 10 quadropods on the screen on level 6.
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| Bodyguard | Complete the game on any difficulty setting in coop mode without any single shot and deaths from player 2.
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| Collector | Collect all power-ups in the game (including all hidden power-ups).
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| Cure for arachnophobes | Destroy level-4 boss.
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| Cyborg for dinner | Destroy level-4 miniboss.
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| Devil's colors | Devil's colors.
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| Disturbed symbiosis | Destroy level-5 boss.
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| Empty shell | Destroy level-6 boss.
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| Explorer | Find all hidden power-ups.
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| Eye surgery | Destroy level-1 boss.
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| Flesh and bones | Flesh and bones.
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| Freedom to crawlers | Freedom to crawlers.
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| Godlike | Complete the game on any difficulty setting with no deaths.
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| Golden Cyborg | Earn 500000 points.
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| Good listener | Listen all tracks in music test menu (Complete the game to unlock it).
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| Gunslinger | Complete the game on any difficulty setting using only alternate firing.
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| Heart attack | Destroy level-2 boss.
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| Heavy lifting | Heavy lifting.
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| Hero for ages | Complete the game on 'Normal' difficulty setting.
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| Inhuman | Complete the game on 'Hard' difficulty setting.
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| Insect control | Destroy level-3 boss.
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| Intestinator | Destroy level-5 miniboss.
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| Life stealer | Steal a life while playing coop mode.
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| Out of misery | Destroy level-3 miniboss.
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| Real power | Use maximum charged alternate fire for all weapons.
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| Savior of the universe | Complete the game on 'Easy' difficulty setting.
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| Sharpshooter | Kill 10 enemies with one shot.
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| Squashed | Squashed.
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| Super deadman | Die 100 times.
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| Survival of the fittest | Destroy level-7 boss.
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| The ultimate team | Complete the game on any difficulty setting in coop mode.
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| Total devastation | Destroy everything.
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| Ultra Ultimate Super Cyborg | Complete the game on 'Hard' difficulty setting with no deaths.
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