Pluto Rim: Storm Commander
Buy
Could be interesting
Stellar Crusade is a two player game of exploitation and conquest on an interstellar scale. Two rival factions, The League and The People's Holy Republic, compete over a span of decades for control of a small, but richly endowed, star cluster in a remote arm of the galaxy.
Galaxy Empire is an online strategy game released for mobile devices
This game was made by @josefnpat for the February 2015 OneGameAMonth challenge.
Schwarzschild is a turn-based strategy game. By the year 3260, humans have mastered interstellar travel and successfully colonized almost the entire Milky Way. Seven hundred years later, the star cluster Jiro became home to political conflicts and struggles for dominance. The player's task is to turn the weak nation of Sankuri into a powerful force, uniting other stars of the cluster under its leadership.
Strategy game developed by Kogado in 1995.