Choose Supreme Ruler Ultimate
Choose Supreme Ruler Ultimate if you want an Indie experience. Supreme Ruler Ultimate launched in 2014.
Supreme Ruler Ultimate vs Solar Nations 2
Supreme Ruler Ultimate and Solar Nations 2 both land in Strategy, Simulation on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Strategy, Simulation on Steam. Supreme Ruler Ultimate (2014) is 11 years older than Solar Nations 2 (2025). Solar Nations 2 scores higher on Steam reviews (91.2% positive) than Supreme Ruler Ultimate (76.5% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Solar Nations 2
Choose Solar Nations 2 if you want an Early Access game with Online Co-op, Adjustable Text Size, and Custom Volume Controls. On Steam, it's currently about 50% cheaper on the Steam Store. Solar Nations 2 launched in 2025.
Both Supreme Ruler Ultimate and Solar Nations 2 sit in Strategy and Simulation on Steam and both list Multi-player, Online PvP, and PvP, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Supreme Ruler Ultimate |  Solar Nations 2 | |
|---|---|---|
| Released | 2014 | 2025 |
| Genres | Strategy, Indie, Simulation | Strategy, Simulation, Early Access |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 19.99 USD | 9.99 USD |
| Steam reviews | 76.5% positive (833 reviews) | 91.2% positive (68 reviews) |
| Multiplayer | Multi-player | Multi-player, Online Co-op, Co-op |
| Developers | BattleGoat Studios | Flomgus Games |
Side by side
- Both share Strategy, Simulation on Steam.
- Supreme Ruler Ultimate (2014) is 11 years older than Solar Nations 2 (2025).
- Solar Nations 2 scores higher on Steam reviews (91.2% positive) than Supreme Ruler Ultimate (76.5% positive).
- Solar Nations 2 is currently ~50% cheaper on Steam than Supreme Ruler Ultimate (9.99 USD vs. 19.99 USD).
- Solar Nations 2 has co-op; Supreme Ruler Ultimate does not.
- Supreme Ruler Ultimate is Deck Unsupported on Steam Deck; Solar Nations 2 has no Deck rating yet.
Supreme Ruler Ultimate vs Solar Nations 2 — FAQ
- Should I play Supreme Ruler Ultimate or Solar Nations 2 first?
- If you want chronology, Supreme Ruler Ultimate (2014) came out before Solar Nations 2 (2025). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Supreme Ruler Ultimate and Solar Nations 2 similar?
- They overlap on Strategy, Simulation on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.