to prevent friction damage, creating a new vital resource loop in the mid-game. The Existential Machine
Once you have a geothermal power plant or a solar array, bionic dupes become superior. They never get Food Poisoning , Slimelung , or Hypothermia . They work 24/7 shifts without sleep (though they do need to recharge). You can literally seal them in a vacuum with a power cable and let them dig out magma. oxygen not included the bionic booster packtenoke new