The Game Census
Marshmallow Imouto Succubus cover art

Marshmallow Imouto Succubus

Orcsoft · Sekai Project · 2023-09-22

Steam

AdventureCasual

Modes: Single player

Releases: Sep 22, 2023 (PC (Microsoft Windows))

Tsukikawa Keisuke had a strange dream. That dream involved his younger sister but instead of her usual, innocent self, she had lust in her eyes. So he finds out that a succubus lurks within her! How will he choose between his innocent sister and the allure of a lustful succubus?!

Marshmallow Imouto Succubus is a 2023 Adventure and Casual game priced at $19.99, with a Positive review sentiment (82% of 22 reviews) and an owner estimate of 0 .. 20,000.— census verdict as of 2026-10-12

82%
positive of 22 reviews
Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
$19.99
steam price (US)

Health check

Quiet
  • · 9 reviews in the last 8 weeks (~1/week).
  • · Review velocity up 80% vs the prior 8 weeks.
  • · Top 76% of 28,900 Adventure games in the census by review count.

Review momentum

PositiveNegative
4420232026Week of 2023-09-01: 1 positiveWeek of 2023-09-01: 4 negativeWeek of 2024-04-01: 1 negativeWeek of 2024-05-01: 1 positiveWeek of 2024-07-01: 2 positiveWeek of 2024-08-01: 1 positiveWeek of 2025-10-01: 1 positiveWeek of 2025-12-01: 1 positiveWeek of 2026-01-01: 1 positiveWeek of 2026-03-01: 1 positiveWeek of 2026-06-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Details

WindowsSingle-playerFamily Sharing

2 supported languages: English, Japanese

Census log

Computed from census-recorded observations only — dates are observation dates.

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Similarity via IGDB.