| Achievement | How to unlock
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|---|
| Alien Extinguisher (30 points) | Kill 250 enemies.
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| Death from above (30 points) | Kill an enemy with a melee attack while airborne.
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| Fisherman (30 points) | Kill 15 fish in one level.
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| FTL (30 points) | Finish the game in less than 2 hours.
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| No easy way out (10 points) | Get killed on a bottomless pit.
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| Not orangeade (90 points) | Get killed in the orange goo.
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| Ridiculous Fishing (30 points) | Kill an fish while it's flying from the pipe before it hits the water.
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| Spawn Trapping (90 points) | Kill an enemy with ranged attacks in less than 1 second after it spawns.
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| Thermal bath (90 points) | Take more than 20 damage from orange goo.
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| Achievement | How to unlock
|
|---|
| Alien Terminator (30 points) | Kill all enemies in any level.
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| Highlander (90 points) | Finish the game without dying.
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| Junior Explorer (30 points) | Find all the items any level.
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| Master Explorer (30 points) | Find 5 weapons.
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| Megaton (90 points) | Kill 5 enemies or more with one grenade explosion.
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| Primal Hunter (30 points) | Kill all the enemies in one level only using melee damage.
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| Sharpshooter (30 points) | Kill all the enemies in one level with ranged attacks while having 100% of accuracy.
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| Speeder (30 points) | Beat the best time on every level.
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| Strafe master (90 points) | Complete any level without taking damage.
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| The Escape (30 points) | Complete the game.
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| Unusual Sniper (90 points) | Hit a enemy with a grenade from more than 100 units of distance.
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