GOG is selling a lot of sci-fi themed games set in space in its latest sale: the Interstellar Sale. It's time to get back into your spaceship and explore the GOG galaxy, wallet in hand. Go to GOG.com and get the X-series, Space Quest, Space Empires, Stellaris, BattleTech, Wing Commander, Homeworld, etc. Also, GOG is giving away Freespace 2 for free. Find out more