Choose Grotto
Choose Grotto if it matches what drew you to this matchup. Grotto launched in 2021.
Grotto vs Alteration
Grotto 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; Grotto is paid (12.99 USD). Grotto is Deck Playable on Steam Deck; Alteration 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 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 Grotto 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
 Grotto |  Alteration | |
|---|---|---|
| Released | 2021 | — |
| Genres | Indie, Adventure | Indie, Adventure, Free To Play |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 12.99 USD | Free to play |
| Steam reviews | 94.1% positive (188 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Brainwash Gang | Asteria Interactive |
Side by side
- Both share Indie, Adventure on Steam.
- Alteration is free; Grotto is paid (12.99 USD).
- Grotto is Deck Playable on Steam Deck; Alteration has no Deck rating yet.
Grotto vs Alteration — FAQ
- Are Grotto 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. Grotto is paid (12.99 USD).
- Does Grotto run on Steam Deck?
- Yes — Grotto is rated Deck Playable by Valve. Alteration doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.