$19.99 USD Add to Cart Solar War Beta Windows Linux Solar War is currently in development. Buy the game now and you will receive instant access to the current Beta version, as well as all coming Beta versions and the final game. You need 11mb hard disk space and 8.6mb download to install this game. Free Install Now Solar War Demo Windows Linux Free demo version, allows you to play the early parts of the game. You need 11mb hard disk space and 8.6mb download to install this game.