IMHO.

The Mysterious Thief; Forget Me Not vs Midnight Sin

The Mysterious Thief; Forget Me Not and Midnight Sin both land in Indie, Casual 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, Casual on Steam. The Mysterious Thief; Forget Me Not (2025) is 1 year older than Midnight Sin (2026). The Mysterious Thief; Forget Me Not scores higher on Steam reviews (100% positive) than Midnight Sin (84% 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 The Mysterious Thief; Forget Me Not

Choose The Mysterious Thief; Forget Me Not if you want a Simulation game with Adjustable Text Size, Subtitle Options, and Keyboard Only Option. On Steam, it's currently about 50% cheaper on the Steam Store. The Mysterious Thief; Forget Me Not launched in 2025.

Choose Midnight Sin

Choose Midnight Sin if you want an Adventure experience. Midnight Sin launched in 2026.

Both The Mysterious Thief; Forget Me Not and Midnight Sin sit in Indie and Casual on Steam and both list Custom Volume Controls, Playable without Timed Input, and Mouse Only Option, 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 Mysterious Thief; Forget Me Not vs Midnight Sin — Steam metadata comparison
The Mysterious Thief; Forget Me Not — Steam game coverThe Mysterious Thief; Forget Me NotMidnight Sin — Steam game coverMidnight Sin
Released20252026
GenresIndie, Simulation, CasualIndie, Adventure, Casual
PlatformsWindows, LinuxWindows
Steam DeckUnratedUnrated
Price8.99 USD17.99 USD
Steam reviews100% positive (10 reviews)84% positive (231 reviews)
MultiplayerSingle-player onlySingle-player only
DeveloperssolarProtagFaerin Games

Side by side

The Mysterious Thief; Forget Me Not vs Midnight Sin — FAQ

Should I play The Mysterious Thief; Forget Me Not or Midnight Sin first?
If you want chronology, The Mysterious Thief; Forget Me Not (2025) came out before Midnight Sin (2026). 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 Mysterious Thief; Forget Me Not and Midnight Sin similar?
They overlap on Indie, Casual 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 Mysterious Thief; Forget Me Not vs Midnight Sin · imho.run