Choose NOBUNAGA'S AMBITION: Sphere of Influence
Choose NOBUNAGA'S AMBITION: Sphere of Influence if it matches what drew you to this matchup. NOBUNAGA'S AMBITION: Sphere of Influence launched in 2015.
NOBUNAGA'S AMBITION: Sphere of Influence vs Supreme Power
NOBUNAGA'S AMBITION: Sphere of Influence and Supreme Power both land in Strategy 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 are Strategy games on Steam. NOBUNAGA'S AMBITION: Sphere of Influence (2015) is 10 years older than Supreme Power (2025). Supreme Power is currently ~90% cheaper on Steam than NOBUNAGA'S AMBITION: Sphere of Influence (2.99 USD vs. 29.99 USD). 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 Supreme Power
Choose Supreme Power if you want a Simulation experience. On Steam, it's currently about 90% cheaper on the Steam Store. Supreme Power launched in 2025.
Both NOBUNAGA'S AMBITION: Sphere of Influence and Supreme Power sit in Strategy on Steam, 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
 NOBUNAGA'S AMBITION: Sphere of Influence |  Supreme Power | |
|---|---|---|
| Released | 2015 | 2025 |
| Genres | Strategy | Strategy, Simulation |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 29.99 USD | 2.99 USD |
| Steam reviews | 82.3% positive (446 reviews) | 2 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | KOEI TECMO GAMES CO., LTD. | Samuel Parker |
Side by side
- Both are Strategy games on Steam.
- NOBUNAGA'S AMBITION: Sphere of Influence (2015) is 10 years older than Supreme Power (2025).
- Supreme Power is currently ~90% cheaper on Steam than NOBUNAGA'S AMBITION: Sphere of Influence (2.99 USD vs. 29.99 USD).
- NOBUNAGA'S AMBITION: Sphere of Influence is Deck Unsupported on Steam Deck; Supreme Power has no Deck rating yet.
NOBUNAGA'S AMBITION: Sphere of Influence vs Supreme Power — FAQ
- Should I play NOBUNAGA'S AMBITION: Sphere of Influence or Supreme Power first?
- If you want chronology, NOBUNAGA'S AMBITION: Sphere of Influence (2015) came out before Supreme Power (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 NOBUNAGA'S AMBITION: Sphere of Influence and Supreme Power similar?
- They overlap on Strategy 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.