It's a great time to be a space strategy fan, as Stellaris is right around the corner and now Master of Orion is about to land on Linux too.
I have been a Master of Orion fan for many years and spent an insane amount of hours playing it when I was younger and had more hair.
The new update coming soon will introduce new features like Espionage and Independent Planets, along with Linux support. A user asked about Linux on their Facebook update and they replied with this:
QuoteUnless something bad/unexpected happens, it should be supported in the same phase Espionage is added
I am excited to be able to play the new one and lose more hours of my life.
You can find Master of Orion on GOG and Steam. Remember, don't buy it until the Linux version is out so you don't get let down if it ends up being delayed a bit.
Thanks for the link Super Tux.