Choose The Testament of Sherlock Holmes
Choose The Testament of Sherlock Holmes if it matches what drew you to this matchup. 1,181 Steam reviews back the pick.
The Testament of Sherlock Holmes vs Gray Matter
The Testament of Sherlock Holmes and Gray Matter both land in 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 are Adventure games on Steam. The Testament of Sherlock Holmes (2012) is 2 years older than Gray Matter (2014). Gray Matter scores higher on Steam reviews (90.6% positive) than The Testament of Sherlock Holmes (76.5% positive). 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 Gray Matter
Choose Gray Matter if you want a Casual experience. On Steam, it carries the stronger Steam consensus at 90.6% positive across 351 reviews.
Both The Testament of Sherlock Holmes and Gray Matter sit in 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 Testament of Sherlock Holmes |  Gray Matter | |
|---|---|---|
| Released | 2012 | 2014 |
| Genres | Adventure | Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Deck Playable |
| Price | 19.99 USD | 9.99 USD |
| Steam reviews | 76.5% positive (1,181 reviews) | 90.6% positive (351 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Frogwares | WizarBox Production |
Side by side
- Both are Adventure games on Steam.
- The Testament of Sherlock Holmes (2012) is 2 years older than Gray Matter (2014).
- Gray Matter scores higher on Steam reviews (90.6% positive) than The Testament of Sherlock Holmes (76.5% positive).
- Gray Matter is currently ~50% cheaper on Steam than The Testament of Sherlock Holmes (9.99 USD vs. 19.99 USD).
- Both are Deck Playable.
The Testament of Sherlock Holmes vs Gray Matter — FAQ
- Which is better, The Testament of Sherlock Holmes or Gray Matter?
- On Steam reviews Gray Matter scores higher (90.6% positive) than The Testament of Sherlock Holmes (76.5% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Gray Matter is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Should I play The Testament of Sherlock Holmes or Gray Matter first?
- If you want chronology, The Testament of Sherlock Holmes (2012) came out before Gray Matter (2014). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are The Testament of Sherlock Holmes and Gray Matter similar?
- They overlap on 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.