Sins of a Solar Empire: Rebellion is the third expansion and definitive Sins of the Solar Empire experience for fans of classic 4X games that don't mind a little real time in their strategy. Rebellion features additional factions and new ships in each class for players to build and use in their war and trading efforts, particularly for the standalone title's Loyalist and Rebel factions.
Following in the footsteps of its turn-based 4X brethren of its time, Sins of a Solar Empire: Rebellion includes multiple victory conditions. You don't just have to rely on crushing the other factions with military might, you can instead attempt to thrive and overwhelm within one of its six possible victory conditions. The game won't make it easy, though, as ultimately trade and military might are king.
On top of a variety of quality of life improvements over the original Sins of a Solar Empire, the game features new visuals, music, and voice overs for increased immersion. As Rebellion is a standalone expansion, you do not need to purchase the original game to give its critically acclaimed expansion to play the game.