Released Oct 5, 2026 Early Access $5.99 Very Positive Counts toward your Steam games

Mycopsychosys: Project Jupiter

By DeltaCat Studio

Indie RPG Horror Adventure Survival Horror Action-Adventure Visual Novel Puzzle Pixel Graphics1980sHidden Object2D Platformer

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Reviews 75 Very Positive

Players now 1 Peak today 1

Followers, 30 days — Not enough history yet

Mycopsychosys: Project Jupiter is a game tagged Indie, RPG and Horror by DeltaCat Studio, released Oct 5, 2026. It has 75 Steam reviews (Very Positive). The Steam games most like it include CE-III Protocol: Last Drop, The Clown's Forest and MOM.

Explore, investigate, and survive this new infection. Collect clues, meet and interact with people, and bond with the main cast. Solve the mysteries like a true detective and follow the non-linear narrative. Are you ready to face this new deadly infection? 👁

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<a href="https://launchrivals.com/games/3785860-mycopsychosys-project-jupiter"><img src="https://launchrivals.com/games/3785860/badge.png" alt="Mycopsychosys: Project Jupiter launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/3785860-mycopsychosys-project-jupiter"><img src="https://launchrivals.com/games/3785860/badge.png?theme=light" alt="Mycopsychosys: Project Jupiter launch date" width="320" height="84"></a>

CE-III Protocol: Last Drop 69% match · Indie, RPG, Horror
The Clown's Forest 68% match · Indie, RPG, Horror
MOM 67% match · Indie, RPG, Horror
Touch of Madness 64% match · Indie, Horror, Adventure
The Forest of Drizzling Rain 63% match · Indie, RPG, Horror
The Strange City 63% match · Indie, Horror, Adventure
Sentimental Death Loop 63% match · Horror, Adventure, Survival Horror
The Frosty Leaves 寒叶下的薄冰 63% match · Indie, RPG, Visual Novel
Lone Survivor: The Director's Cut 62% match · Indie, RPG, Horror
Chloé’s Requiem -encore- 62% match · Indie, RPG, Horror

Steam data

Everything Steam lists for Mycopsychosys: Project Jupiter · record updated 18 hours ago

Steam store

Overview

App ID3785860

Release dateOct 5, 2026

Last change number40195863

Last record update18 hours ago

App type: Game
Developer: DeltaCat Studio
Publisher: DeltaCat Studio
Steam profile: Counts toward game count and achievement totals · checked 1 day ago
Website: deltacatstudio.com

Windows

Steam Deck: Playable

Single-playerFamily Sharing

Prices

Price · US$5.99

On sale0 of 41regions right now

Lowest seen · US$5.99Oct 23, 2026

Checked16 hours agoin 41 regions

ColombiaCOL$COP

Every price change is kept from Oct 23, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
25760264	public	Oct 6, 2026

Depots

ID	Name	Systems	Size	Download	Manifest
3785861	— English	Windows	193.4 MB	118.1 MB	8495017992104824027

Branch	Build	Updated	Access
public	25760264	Oct 6, 2026	Open

Configuration

Install foldersteamapps/common/Mycopsychosys Project Jupiter

Executable	Arguments	Systems	Description
ProjectJupiter_1.0.exe		Windows

Data from public Steam pages, updated daily; 5 days of history. LaunchRivals is not affiliated with Valve or Steam.

Mycopsychosys: Project Jupiter

About Mycopsychosys: Project Jupiter

Steam data

Overview

App info

Platforms

Features

Prices

ColombiaCOL$COP

Americas 10

Europe 5

CIS 4

Asia-Pacific 15

Middle East & Africa 7

Patches

Builds

Depots

Depots

Branches

Configuration

Launch options