Kill 10 enemies with a single railgun bullet.
Unlock new difficulty mode.
Find 10 skulls.
Find 20 skulls.
Find 30 skulls.
Find all skulls.
Beat Ironworks Facility.
Beat Old Military Base.
Beat Jungle Outpost.
Beat Volcano Research Station.
Beat The Last City.
Complete the game on "Hard" difficulty.
Complete the game on "Harder" difficulty.
Complete the game on "The Hardest" difficulty.
Complete the game in 1 hour on at least HARD difficulty.
Repeat a single level 10 times.
Kill 1000 enemies.
Die 200 times in total.
Impale 25 enemies on hook by kicking them.
Impale 50 enemies on hook by kicking them.
Maul 200 enemies to death with a sawspider.
Make 200 enemies die horribly by burning alive.
Complete the game in 45 minutes on at least HARD difficulty.
Complete the game in 1.5 hour on at least HARD difficulty.
Upload your level pack to the Workshop.
Collect the runes of all elements
Complete mini-game “Find Correct Password” without using “skip” button
Get out to the surface of the planet
Meet the survivor of the spaceship wreck
Repair the onboard computer without using any Hints
Open the lock in the ship’s hold without using “skip” button
Launch fireworks
Blow up dynamites
Find the bones without using any Hints
Find all insects or sea creatures without using any Hints
Complete a search without using any Hints
Complete three searches without using any Hints
Complete five searches without using any Hints
Collect all the achievements
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