Choose The Gallery
Choose The Gallery if you want a Simulation and Casual experience. The Gallery launched in 2022.
The Gallery vs Alteration
The Gallery and Alteration both land in 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 Indie, Adventure on Steam. Alteration is free; The Gallery is paid (9.99 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 Alteration
Choose Alteration if you want a Free To Play game with Subtitle Options, Stereo Sound, and Playable without Timed Input. On Steam, it's free to play, so the barrier to trying it is zero.
Both The Gallery and Alteration sit in 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
 The Gallery |  Alteration | |
|---|---|---|
| Released | 2022 | — |
| Genres | Indie, Adventure, Simulation, Casual | Indie, Adventure, Free To Play |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 9.99 USD | Free to play |
| Steam reviews | 71.9% positive (64 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | PRM Games | Asteria Interactive |
Side by side
- Both share Indie, Adventure on Steam.
- Alteration is free; The Gallery is paid (9.99 USD).
The Gallery vs Alteration — FAQ
- Are The Gallery and Alteration similar?
- They overlap on 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.
- Is Alteration free?
- Yes — Alteration is a free-to-play Steam title. The Gallery is paid (9.99 USD).