Choose Nin Online
Choose Nin Online if you want an Indie and Early Access game with Keyboard Only Option. Nin Online launched in 2025.
Nin Online vs AION 2
Nin Online and AION 2 both land in Action, Adventure, 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 Action, Adventure, Massively Multiplayer on Steam. Nin Online (2025) is 1 year older than AION 2 (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 AION 2
Choose AION 2 if you want the Subtitle Options and Surround Sound side of the pairing. AION 2 launched in 2026.
Both Nin Online and AION 2 sit in Action, Adventure, 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
 Nin Online |  AION 2 | |
|---|---|---|
| Released | 2025 | 2026 |
| Genres | Action, Indie, Adventure, Massively Multiplayer, RPG, Free To Play, Early Access | Action, Adventure, Massively Multiplayer, RPG, Free To Play |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | Free to play | Free to play |
| Steam reviews | 73.4% positive (800 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | Hitspark | NC |
Side by side
- Both share Action, Adventure, Massively Multiplayer on Steam.
- Nin Online (2025) is 1 year older than AION 2 (2026).
- Both are free to play.
- Both support cooperative play.
- Nin Online is Deck Playable on Steam Deck; AION 2 has no Deck rating yet.
Nin Online vs AION 2 — FAQ
- Should I play Nin Online or AION 2 first?
- If you want chronology, Nin Online (2025) came out before AION 2 (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 Nin Online and AION 2 similar?
- They overlap on Action, Adventure, 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.
- Do both Nin Online and AION 2 have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Nin Online ships Online Co-op, Co-op; AION 2 ships Online Co-op, Co-op.
- Does Nin Online run on Steam Deck?
- Yes — Nin Online is rated Deck Playable by Valve. AION 2 doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.