Eve Online music is pretty ambient right? You could check out some stuff from Carpe Sonum or Kahvi Collective labels. Quite a few of their artists are in that veign. Old Fax Records stuff as well (check out Pete Namlook).
That other space game has some nice ambient tracks.
[video=youtube_share;ImfOfFOxpIs]https://youtu.be/ImfOfFOxpIs?list=PLLcod52t0kpfO2RNGXUa8CWF2mx6WEs0O[/video]
From 3:30 and onward it sounds almost the same as this:
Hot Chip nearly all of their songs seen them live they are amazing guys and an amazing drummer
Hot Chip - Huarache Lights (Official Video) https://www.youtube.com/watch?v=9S0ONyRctyE
Related, for the full spacer vibe you can't go wrong with Carmen Miranda's Ghost:
[video=youtube;OwP_9ZlW1nM]https://www.youtube.com/watch?v=OwP_9ZlW1nM&index=3&list=PLaP6jbqNUfjCbqmuJyXql2nCxbaVTWrzx[/video]
The entire cassette tape is on youtube, all the songs are good.
My absolute favourite which I almost forgot:
[video=youtube;oSLLWx9iNwc]https://www.youtube.com/watch?v=oSLLWx9iNwc&list=PLfzW_wEeYxk62kWaT4tyVWMFR_wkqjSrB&index=2[/video]
The highly underrated Mars soundtrack... I left that one on repeat for about 5 hours of playing once. The whole soundtrack that is, not this one track.