Choose AIDEN
Choose AIDEN if you want an Adventure experience. AIDEN launched in 2018.
AIDEN vs Theorem
AIDEN and Theorem both land in Indie, Casual 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 Indie, Casual on Steam. Both released in 2018. Theorem is currently ~67% cheaper on Steam than AIDEN (0.99 USD vs. 2.99 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 Theorem
Choose Theorem if it's currently about 67% cheaper on the Steam Store. Theorem launched in 2018.
Both AIDEN and Theorem sit in Indie and Casual 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
 AIDEN |  Theorem | |
|---|---|---|
| Released | 2018 | 2018 |
| Genres | Indie, Adventure, Casual | Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 2.99 USD | 0.99 USD |
| Steam reviews | 4 reviews | 91.7% positive (12 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | TheElvenTale Games | Geckoo1337 |
Side by side
- Both share Indie, Casual on Steam.
- Both released in 2018.
- Theorem is currently ~67% cheaper on Steam than AIDEN (0.99 USD vs. 2.99 USD).
AIDEN vs Theorem — FAQ
- Are AIDEN and Theorem similar?
- They overlap on Indie, Casual 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.