Choose AION 2
Choose AION 2 if you want an Action and Adventure game with Online Co-op, Adjustable Text Size, and Subtitle Options. On Steam, it has co-op, so you can bring a friend. AION 2 launched in 2026.
AION 2 vs Arena Immortalis
AION 2 and Arena Immortalis both land in Massively Multiplayer, RPG, Free To Play 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 Massively Multiplayer, RPG, Free To Play on Steam. Both released in 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 Arena Immortalis
Choose Arena Immortalis if you want the Playable without Timed Input, Save Anytime, and #category_playable_at_your_own_pace side of the pairing. Arena Immortalis launched in 2026.
Both AION 2 and Arena Immortalis sit in Massively Multiplayer, RPG, and Free To Play 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
 AION 2 |  Arena Immortalis | |
|---|---|---|
| Released | 2026 | 2026 |
| Genres | Action, Adventure, Massively Multiplayer, RPG, Free To Play | Massively Multiplayer, RPG, Free To Play |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Free to play | Free to play |
| Steam reviews | — | 71.4% positive (14 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player |
| Developers | NC | Erak_Dev |
Side by side
- Both share Massively Multiplayer, RPG, Free To Play on Steam.
- Both released in 2026.
- Both are free to play.
- AION 2 has co-op; Arena Immortalis does not.
AION 2 vs Arena Immortalis — FAQ
- Are AION 2 and Arena Immortalis similar?
- They overlap on Massively Multiplayer, RPG, Free To Play 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.