Here is the full list of all 48 Subterrain achievements.
Beat the game with the "Permanent Death" option enabled.
Beat the game using the "Easy Mode" or higher difficulty setting.
Beat the game using the "Normal Mode" or higher difficulty setting.
Beat the game using the "Hardcore Mode" or higher difficulty setting.
Beat the game using the "Nightmare Mode" difficulty setting.
Produce fruits or veggies 100 times at MPO's biosphere.
Collect ore 100 times using the extractor at MPO's mine.
Explore every floor and every district of MPO.
Discover the space port for MPO: the Murray Space Center.
Produce fruits or veggies 50 times at MPO's biosphere.
Discover the Gemini residential district.
Collect ore 50 times using the extractor at MPO's mine.
Discover the Leo residential district.
Discover the Pisces residential district.
Use toilets 30 times in one game.
Discover the Aries residential district.
Complete 50 research projects at Herbert Research.
Kill 30 Big Fat enemies.
Discover a residential district of MPO: Viking Square.
Destroy 50 cocoons before enemies pop out of them.
Produce fruits or veggies 10 times at MPO's biosphere.
Kill 80 Brain Bug enemies.
Kill 40 Spitter enemies.
Produce 80 items using 3D printer or bio combiner in Nilson Engineering.
Discover the shopping district of MPO: Spirit Plaza.
Produce 30 items using the 3D printer or bio combiner at Nilson Engineering.
Survive for more than 120 hours in a single game.
Collect ore 10 times using the extractor at MPO's mine.
Complete 20 research projects at Herbert Research.
Survive for more than 72 hours in a single game.
Kill 100 enemies of any type.
Discover the sprawling business of Mr. Bigelow: the Solar Casino.
Discover the business of the Burlington family: the Carson Hotel.
Produce 10 items using 3D printer or bio combiner in Nilson Engineering.
Discover the ore extraction facilities of MPO's mine.
Kill 50 enemies of any type.
Complete 10 research projects at Herbert Research.
Discover the agricultural facilities of MPO's biosphere.
Survive for 24 hours in a single game.
Discover the 3D printing facilities of Nilson Engineering.
Kill 10 enemies of any type.
Discover Dr. West's old workplace: the Herbert Research Center.
Complete the tutorial section of the game at MPO Prison.