About
Peratosis is a psychological mystery visual novel where you follow Yiluo into hidden threshold spaces that emerge at the edges of perception. Explore, interact, and make choices as you encounter those who linger there—and decide whether to cross further.
Pre-release · Steam · App 4533760
易阈症
Threvorn Seep
Genres
Adventure
Adventureview more (+1)
Categories
Single-playerFamily Sharing
Single-playerFamily Sharingview more (+2)
Player tags
Visual NovelPsychological HorrorMysteryAdventureStory RichAtmosphericDarkChoices MatterConversationNarrationFemale ProtagonistSingleplayer2D
Visual NovelPsychological HorrorMysteryAdventureStory RichAtmosphericDarkChoices MatterConversationNarrationFemale ProtagonistSingleplayer2Dview more (+13)
Followers
2
+0 · 3d
Wishlists est
26
Price
—
Release
2026
in 7mo
20 snapshots· 2 carried
+0 (+0.0%)
DayFollowersΔΔ %WishlistsΔΔ %
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May 2, 20262——19——
Tracked since May 2, 2026·Details 3d ago·Followers 1d ago