Is Sins of a Solar Empire®: Rebellion multiplayer or co-op?

Yes — co-op and PvP. Sins of a Solar Empire®: Rebellion is a job & management sim game released in 2012, 93% positive on Steam (16,015 reviews), with 280 playing right now. $19.99 on Steam.

How Sins of a Solar Empire®: Rebellion plays with friends, according to Steam

Online co-op

Yes

Local / split-screen co-op

Not listed on Steam

Online PvP

Yes

LAN play

Yes

Single-player mode

Yes

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: Management, Diplomacy, Online Co-Op, Multiplayer, Singleplayer, Simulation, Space, Strategy

Do you and a friend both own Sins of a Solar Empire®: Rebellion?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Sins of a Solar Empire®: Rebellion is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Or open the Steam store page.

Games like Sins of a Solar Empire®: Rebellion you can play together

Tired of Sins of a Solar Empire®: Rebellion? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Sins of a Solar Empire®: Rebellion co-op?

Yes, Sins of a Solar Empire®: Rebellion supports co-op.

Does Sins of a Solar Empire®: Rebellion have PvP?

Yes, Sins of a Solar Empire®: Rebellion has player-versus-player modes.

Do we both need to own Sins of a Solar Empire®: Rebellion to play together?

Yes. Sins of a Solar Empire®: Rebellion is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.

How many people play Sins of a Solar Empire®: Rebellion?

About 280 players were in-game when this page's data was last refreshed (2026-09-09).

Can you play Sins of a Solar Empire®: Rebellion on LAN?

Yes. Steam lists LAN co-op and LAN PvP for Sins of a Solar Empire®: Rebellion, so it works on a local network without the game's online servers.

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