Choose AI War 2
Choose AI War 2 if you want the Online Co-op, Adjustable Text Size, and Camera Comfort side of the pairing. AI War 2 launched in 2019.
AI War 2 vs 绛河之上 Under Supernova
AI War 2 and 绛河之上 Under Supernova both land in Strategy, Indie, 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, Indie, Simulation on Steam. AI War 2 (2019) is 4 years older than 绛河之上 Under Supernova (2023). 绛河之上 Under Supernova is currently ~60% cheaper on Steam than AI War 2 (7.99 USD vs. 19.99 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 绛河之上 Under Supernova
Choose 绛河之上 Under Supernova if you want a RPG and Early Access game with LAN PvP and PvP. On Steam, it's currently about 60% cheaper on the Steam Store. 绛河之上 Under Supernova launched in 2023.
Both AI War 2 and 绛河之上 Under Supernova sit in Strategy, Indie, and Simulation on Steam and both list Multi-player, LAN Co-op, and Co-op, 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
 AI War 2 |  绛河之上 Under Supernova | |
|---|---|---|
| Released | 2019 | 2023 |
| Genres | Strategy, Indie, Simulation | Strategy, Indie, Simulation, RPG, Early Access |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | 7.99 USD |
| Steam reviews | 89.2% positive (950 reviews) | — |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Multi-player, LAN Co-op, Co-op |
| Developers | Arcen Games | UnderSupernovaGroup |
Side by side
- Both share Strategy, Indie, Simulation on Steam.
- AI War 2 (2019) is 4 years older than 绛河之上 Under Supernova (2023).
- 绛河之上 Under Supernova is currently ~60% cheaper on Steam than AI War 2 (7.99 USD vs. 19.99 USD).
- Both support cooperative play.
- AI War 2 is Deck Playable on Steam Deck; 绛河之上 Under Supernova has no Deck rating yet.
AI War 2 vs 绛河之上 Under Supernova — FAQ
- Should I play AI War 2 or 绛河之上 Under Supernova first?
- If you want chronology, AI War 2 (2019) came out before 绛河之上 Under Supernova (2023). 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 AI War 2 and 绛河之上 Under Supernova similar?
- They overlap on Strategy, Indie, 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.
- Do both AI War 2 and 绛河之上 Under Supernova have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: AI War 2 ships Online Co-op, LAN Co-op; 绛河之上 Under Supernova ships LAN Co-op, Co-op.
- Does AI War 2 run on Steam Deck?
- Yes — AI War 2 is rated Deck Playable by Valve. 绛河之上 Under Supernova doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.