In a bizaare science fiction world, you play an enslaved cyborg who has crash-landed on an alien planet, and must do your best to survive. Installing: Unzip to the main Notrium directory. IMPORTANT: You can play on the EASY DIFFICULTY setting the first time you play the game. This includes a short sequence that introduces you to the game. For later attempts, the default medium setting skips this sequence. In almost all other aspects, the three difficulty settings are the same.