


- 2+players
- PC
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
Who can play
Store (how we check facts)- Split-screen is not confirmed.
- Same room, own screens on PC. How many can join is not confirmed.
- Online on PC. Steam lists 10-player online.
- Whether one copy is enough is not confirmed.
- PCEpic Games StoreSee price (opens the store in a new tab)
How it plays
Is it good
82%
Very positive on Steam
- 80Top criticsOpenCritic · Aug 2024 (OpenCritic top critic average, 5 reviews, as of Aug 2024; opens OpenCritic in a new tab)
- 80%RecommendOpenCritic · Sep 2025 (OpenCritic critics who recommend it, 10 reviews, as of Sep 2025; opens OpenCritic in a new tab)
Steam Deck Playable
Every way to play together
Steam lists LAN play and online co-op for PC. Player counts are not confirmed yet. 82% positive of 7,200 Steam reviews.
- 2+
- 10+
Quick facts
- Developer
- Ironclad Games Corporation
- Publisher
- Stardock Entertainment
- Platforms
- PC
- Series
- Sins of a Solar Empire
- Released
- Aug 15, 2024 on PC
- Languages
- Text in 12 languages, voices in English
In these lists
Answers
- Does Sins of a Solar Empire II have couch co-op?
- No same-screen play is confirmed. The Steam listing does not include it on PC. Online play is the way to play it together.
- Do you need two copies of Sins of a Solar Empire II?
- No one-copy option is listed, so expect each player online to need their own copy.
- Does Sins of a Solar Empire II work on Steam Deck?
- Yes, with some extra steps: Steam rates it Playable for Steam Deck.
- Is Sins of a Solar Empire II free?
- No, it's a paid game.






















