Last 7 days
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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90% positive of 534 · Very Positive · Live from Steam
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After a tragic accident, neurobiologist Dr. David Styles has become a recluse, rarely leaving his home, the Dread Hill House. One day, Samantha Everett, a street magician, appears at Dr. Style's doorstep just as he is seeking a new assistant.
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 90% on 2026-11-01 → 90% today (534 reviews)
No authorized Steam key store lists this game right now.
Works, but may need extra effort. Results from Valve's own testing.
Valve hasn't published test details for this game.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Dear Players, I am happy to announce that we now have Steam trading cards for this game! Some of you have already seen this but for those that did not know, now it does! Enjoy this feature that you requested and as always you, the gamer are always 100% awesome…
Dear Players, I am happy to announce that we now have Steam trading cards for this game! Some of you have already seen this but for those that did not know, now it does! Enjoy this feature that you requested and as always you, the gamer are always 100% awesome…
Dear Players, It has come to my attention from another player on here that the link we have provided in order to make the the run on Windows 8 / 8.1 is broken. Please use Microsoft's official link here in order to install the Direct X runtime which will allow …
Dear Players, It has come to my attention from another player on here that the link we have provided in order to make the the run on Windows 8 / 8.1 is broken. Please use Microsoft's official link here in order to install the Direct X runtime which will allow …
Dear Players, It has come to our attention that during the QA process on Windows 8 / 8.1 for Gray Matter on Steam, the installer was not installing all of the components needed for this game to function correctly. Please see the link below and manually install…
Dear Players, It has come to our attention that during the QA process on Windows 8 / 8.1 for Gray Matter on Steam, the installer was not installing all of the components needed for this game to function correctly. Please see the link below and manually install…