Sins of a Solar Empire: Rebellion is a 2012 4X/RTS hybrid by Ironclad Games, published by Stardock. A standalone entry building on the original and its expansions, it expands the three races into six loyalist and rebel factions, each with a unique Titan-class capital ship, across a seamlessly scalable galactic battlefield. It released on PC.
The Vault · 2012
Sins of a Solar Empire: Rebellion
4X-scale galactic war with a seamless zoom and giant Titans.
Sins of a Solar EmpireStrategy
Screenshots
How to Play TodayYour options for running this game in 2026
Original Hardware
A Windows PC; scalable detail settings keep it friendly to modest machines.
Modern Re-release
Sold on Steam and GOG; later updated with the Outlaw Sectors and Minor Factions DLC.