IMHO.

The Princess, the Stray Cat, and Matters of the Heart vs Marshmallow Imouto Succubus

The Princess, the Stray Cat, and Matters of the Heart and Marshmallow Imouto Succubus both land in Adventure, 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 Adventure, Casual on Steam. The Princess, the Stray Cat, and Matters of the Heart (2019) is 4 years older than Marshmallow Imouto Succubus (2023). Marshmallow Imouto Succubus is currently ~0% cheaper on Steam than The Princess, the Stray Cat, and Matters of the Heart (19.99 USD vs. 19.99 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 Princess, the Stray Cat, and Matters of the Heart

Choose The Princess, the Stray Cat, and Matters of the Heart if it's Steam Deck Verified, so handheld play works out of the box. The Princess, the Stray Cat, and Matters of the Heart launched in 2019.

Choose Marshmallow Imouto Succubus

Choose Marshmallow Imouto Succubus if it's the newer release (2023) and ships with the modern feature baseline. Marshmallow Imouto Succubus launched in 2023.

Both The Princess, the Stray Cat, and Matters of the Heart and Marshmallow Imouto Succubus sit in Adventure and Casual 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 Princess, the Stray Cat, and Matters of the Heart vs Marshmallow Imouto Succubus — Steam metadata comparison
The Princess, the Stray Cat, and Matters of the Heart — Steam game coverThe Princess, the Stray Cat, and Matters of the HeartMarshmallow Imouto Succubus — Steam game coverMarshmallow Imouto Succubus
Released20192023
GenresAdventure, CasualAdventure, Casual
PlatformsWindowsWindows
Steam DeckDeck VerifiedDeck Unsupported
Price19.99 USD19.99 USD
Steam reviews79.5% positive (78 reviews)1 reviews
MultiplayerSingle-player onlySingle-player only
DevelopersTOKYOTOONOrcsoft

Side by side

The Princess, the Stray Cat, and Matters of the Heart vs Marshmallow Imouto Succubus — FAQ

Should I play The Princess, the Stray Cat, and Matters of the Heart or Marshmallow Imouto Succubus first?
If you want chronology, The Princess, the Stray Cat, and Matters of the Heart (2019) came out before Marshmallow Imouto Succubus (2023). 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 Princess, the Stray Cat, and Matters of the Heart and Marshmallow Imouto Succubus similar?
They overlap on Adventure, 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 Princess, the Stray Cat, and Matters of the Heart vs Marshmallow Imouto Succubus · imho.run