Games like Mycopsychosys: Project Jupiter
Games like Mycopsychosys: Project Jupiter include Tales of the Black Forest, Look Outside, Poppy Playtime, The Witch's House MV, and Firework. We matched them by the tags players give Mycopsychosys: Project Jupiter on Steam (Indie, RPG, Horror, Adventure, and Survival Horror): closest matches first, and among equally close ones the better-known games.

Tales of the Black Forest
Shared: RPG · Indie · Horror

Look Outside
Shared: RPG · Horror · Survival Horror

Poppy Playtime
Shared: Horror · Survival Horror · Puzzle

The Witch's House MV
Shared: Horror · Indie · RPG

Firework
Shared: Indie · Horror · Puzzle

OMORI
Shared: Indie · RPG · Horror

Little Nightmares
Shared: Horror · Adventure · Indie

Darkwood
Shared: Horror · Adventure · Survival Horror

Little Nightmares II
Shared: Horror · Adventure · Puzzle

Bendy and the Dark Revival
Shared: Horror · Indie · Survival Horror

Heartbound
Shared: RPG · Indie · Adventure

Inside the Backrooms
Shared: Horror · Survival Horror · Adventure

Lethal Company
Shared: Horror · Survival Horror · Indie

Ib
Shared: Horror · Indie · RPG

Sanfu
Shared: RPG · Adventure · Puzzle

CrossCode
Shared: RPG · Indie · Pixel Graphics

Atomic Heart
Shared: Adventure · Horror · Action-Adventure

Mad Father
Shared: Horror · Survival Horror · Adventure

IMSCARED
Shared: Indie · Horror · Adventure

LIMBO
Shared: Indie · Puzzle · Adventure

Notes of Soul
Shared: Horror · Indie · Adventure

Escape the Backrooms
Shared: Horror · Survival Horror · Adventure

Five Nights at Freddy's: Into the Pit
Shared: Horror · Adventure · Pixel Graphics

Angels of Death
Shared: Horror · RPG · Pixel Graphics