WAD to move forward and to turn left and right, or SZXC instead of WASD. Go to the silver-blue dot (the Hab) and press space to use emergency filter & tank refill. When you bring rocks back to the Hab, they restore a bit of oxygen and CO2 filter time, but CO2 filters run out quite fast, so you'll mostly use the emergency refill.Collect all the rocks on the map to win! If you run out of oxygen or CO2 filter time
I made this in 2 days.