IMHO.

The Mystery of William Moore vs The Last Case of John Morley

The Mystery of William Moore and The Last Case of John Morley 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 Mystery of William Moore (2022) is 3 years older than The Last Case of John Morley (2025). The Last Case of John Morley is currently ~42% cheaper on Steam than The Mystery of William Moore (12.99 USD vs. 22.22 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 The Mystery of William Moore

Choose The Mystery of William Moore if you want a Casual experience. The Mystery of William Moore launched in 2022.

Choose The Last Case of John Morley

Choose The Last Case of John Morley if you want an Indie game with Subtitle Options, Custom Volume Controls, and Stereo Sound. On Steam, it's currently about 42% cheaper on the Steam Store. The Last Case of John Morley launched in 2025.

Both The Mystery of William Moore and The Last Case of John Morley 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 Mystery of William Moore vs The Last Case of John Morley — Steam metadata comparison
The Mystery of William Moore — Steam game coverThe Mystery of William MooreThe Last Case of John Morley — Steam game coverThe Last Case of John Morley
Released20222025
GenresAdventure, CasualIndie, Adventure
PlatformsWindowsWindows
Steam DeckUnratedDeck Playable
Price22.22 USD12.99 USD
Steam reviews2 reviews76.3% positive (76 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersAtlantean GamesIndigo Studios - Interactive Stories

Side by side

The Mystery of William Moore vs The Last Case of John Morley — FAQ

Should I play The Mystery of William Moore or The Last Case of John Morley first?
If you want chronology, The Mystery of William Moore (2022) came out before The Last Case of John Morley (2025). 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 Mystery of William Moore and The Last Case of John Morley 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.
The Mystery of William Moore vs The Last Case of John Morley · imho.run