Monmusu Island
A curse wipes out monsters on Monmusu Island, leaving only Neko, Usagi, and Ushi. To save the island, they summon an outsider—an ordinary, perverted but inexperienced human MC—to help restore normalcy.
- Price:$4.49
- Release Date:5/21/2026
- Developer:Pjoy Games
- Publisher:Siluman Soft
- Last Updated:5/23/2026
- Steam App Id:4326550
Monmusu Island
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, Monmusu Island has 2 concurrent players online and in-game. This is 67% lower than its previous all-time peak of 6 players achieved on 5/22/2026.
Monmusu Island Price
Monmusu Island costs $4.49 in the Steam store as of 5/23/2026 which is a 10% discount off its base price. At the moment, it can only be purchased as a standalone game but may be included in future bundles for a discount.
Explore the price history chart below to track historical price changes and other pricing stats for Monmusu Island.
About Monmusu Island
Monmusu Island is an Indie, Simulation, and Casual game developed by Pjoy Games. On 5/21/2026, it was released on the Steam Store by Siluman Soft.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Monmusu Island supports the following features:
- Steam Cloud
- Family Sharing
- Single-player
From the Steam community, Monmusu Island has been tagged with the following user tags:
- City Builder
- Crafting
- Management
- Isometric
- Fantasy
- Idler
- Sandbox
- Simulation
- Nudity
- Hentai
- Romance
- Sexual Content
- Base Building
- Hidden Object
- Resource Management
- Creature Collector
- Anime
- Casual
- Relaxing
- Singleplayer
- 2D
- Building
Media & Sceenshots
Watch the featured video for Monmusu Island and see the latest screenshots from the Steam Store.
Related Packages
Monmusu Island is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Monmusu Island | $4.49 | View |
Frequently Asked Questions
Soures & References
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Monmusu Island data has been sourced from:
- Valve Corporation. (2026, May 23). Monmusu Island on Steam. Steam Store. https://store.steampowered.com/app/4326550
- Valve Corporation. (2026, May 23). Monmusu Island. Steam Community Hub. https://steamcommunity.com/app/4326550