Choose Avernum 2: Crystal Souls
Choose Avernum 2: Crystal Souls if you want a RPG experience. Avernum 2: Crystal Souls launched in 2015.
Avernum 2: Crystal Souls vs O.U.T.T.
Avernum 2: Crystal Souls and O.U.T.T. both land in Strategy, Indie, Adventure 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, Adventure on Steam. Avernum 2: Crystal Souls is Deck Playable on Steam Deck; O.U.T.T. has no Deck rating yet. 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 O.U.T.T.
Choose O.U.T.T. if you want a Casual game with Subtitle Options, Custom Volume Controls, and Stereo Sound.
Both Avernum 2: Crystal Souls and O.U.T.T. sit in Strategy, Indie, and Adventure 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
 Avernum 2: Crystal Souls |  O.U.T.T. | |
|---|---|---|
| Released | 2015 | — |
| Genres | Strategy, Indie, Adventure, RPG | Strategy, Indie, Adventure, Casual |
| Platforms | Windows, macOS | Windows, macOS, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 5.99 USD | Price unknown |
| Steam reviews | 92.5% positive (201 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Spiderweb Software | Ilex Games |
Side by side
- Both share Strategy, Indie, Adventure on Steam.
- Avernum 2: Crystal Souls is Deck Playable on Steam Deck; O.U.T.T. has no Deck rating yet.
Avernum 2: Crystal Souls vs O.U.T.T. — FAQ
- Are Avernum 2: Crystal Souls and O.U.T.T. similar?
- They overlap on Strategy, Indie, Adventure 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.
- Does Avernum 2: Crystal Souls run on Steam Deck?
- Yes — Avernum 2: Crystal Souls is rated Deck Playable by Valve. O.U.T.T. doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.