Sins of a Solar Empire: Rebellion is free to claim once again, this time on Steam December 17, 2018 by admin Tweet There is a brand new giveaway going on Steam right now, with Sins of a Solar Empire: Rebellion up for grabs once again. The real-time strategy 4X title includes all of its previous expansions. Read more… Neowin Related Posts:Warhammer: Vermintide 2 is free to claim on Steam…ARK: Survival Evolved goes free to claim on Steam as…Dead Island: Riptide is free to claim on Steam for…The original Mafia is free to claim on SteamMetro: Last Light goes free to claim on Steam…