Choose SUPREMACY: WORLD WAR 3
Choose SUPREMACY: WORLD WAR 3 if you want the Online Co-op and Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. 3,097 Steam reviews back the pick.
SUPREMACY: WORLD WAR 3 vs Costa Nostra
SUPREMACY: WORLD WAR 3 and Costa Nostra both land in Strategy, Indie, Massively Multiplayer 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, Indie, Massively Multiplayer on Steam. SUPREMACY: WORLD WAR 3 (2018) is 8 years older than Costa Nostra (2026). Both are free to play. 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 Costa Nostra
Choose Costa Nostra if it's the newer release (2026) and ships with the modern feature baseline. Costa Nostra launched in 2026.
Both SUPREMACY: WORLD WAR 3 and Costa Nostra sit in Strategy, Indie, and Massively Multiplayer on Steam and both list Multi-player, MMO, and Online 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
 SUPREMACY: WORLD WAR 3 |  Costa Nostra | |
|---|---|---|
| Released | 2018 | 2026 |
| Genres | Strategy, Indie, Massively Multiplayer, Free To Play | Strategy, Indie, Massively Multiplayer, Free To Play |
| Platforms | Windows, macOS | Windows, macOS, Linux |
| Steam Deck | Deck Unsupported | Unrated |
| Price | Free to play | Free to play |
| Steam reviews | 72.7% positive (3,097 reviews) | 8 reviews |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Multi-player, Cross-Platform Multiplayer |
| Developers | Dorado Games | Costa Nostra |
Side by side
- Both share Strategy, Indie, Massively Multiplayer on Steam.
- SUPREMACY: WORLD WAR 3 (2018) is 8 years older than Costa Nostra (2026).
- Both are free to play.
- SUPREMACY: WORLD WAR 3 has co-op; Costa Nostra does not.
- SUPREMACY: WORLD WAR 3 is Deck Unsupported on Steam Deck; Costa Nostra has no Deck rating yet.
SUPREMACY: WORLD WAR 3 vs Costa Nostra — FAQ
- Should I play SUPREMACY: WORLD WAR 3 or Costa Nostra first?
- If you want chronology, SUPREMACY: WORLD WAR 3 (2018) came out before Costa Nostra (2026). 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 SUPREMACY: WORLD WAR 3 and Costa Nostra similar?
- They overlap on Strategy, Indie, Massively Multiplayer 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.