Yes — co-op and PvP. The Red Solstice is a real-time strategy game released in 2015, 71% positive on Steam (2,501 reviews), with 5 playing right now. $9.99 on Steam.
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a…
Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.
Steam tags: Strategy, Tactical, RTS, Sci-fi, Co-op, Aliens, Singleplayer, Real Time Tactics
Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether The Red Solstice is one of them — then helps you pick tonight's game with a weighted roll or a bracket.
Or open the Steam store page.
Tired of The Red Solstice? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.
Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass