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:$4.99
- Release Date:5/21/2026
- Developer:Pjoy Games
- Publisher:Siluman Soft
- Last Updated:6/19/2026
- Steam App Id:4326550
Monmusu Island
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, Monmusu Island has 1 concurrent player online and in-game. This is 83% lower than its previous all-time peak of 6 players achieved on 5/22/2026.
Monmusu Island Review
Monmusu Island has achieved a Steambase Player Score of 71 / 100. This score is calculated from 7 total reviews on the Steam store — giving it a 7 user reviews rating. These are split between 5 positive reviews, 2 negative reviews, and will be updated in real-time as more players leave their feedback.
Track historical reviews and overall rating trends for Monmusu Island using the chart below.
Monmusu Island Price
Monmusu Island costs $4.99 in the Steam store as of 6/19/2026. It can be purchased as a standalone game or through a bundle like PJoY Best Bundle which offers a discount off the game's base price.
Explore the price history chart below to track historical price changes and other pricing stats for Monmusu Island.
Monmusu Island Deals & Discounts
Discover exclusive deals and unbeatable discounts for Monmusu Island through our partner marketplaces. Get a large discount (sometimes 80% off) by purchasing your Steam key through them.
We only work with the best and most-trusted marketplaces to ensure a smooth experience. After purchase, you will immediately receive your Steam key and game activation code. Take advantage of these offers and dive into the world of Monmusu Island without hurting your wallet.
- Check PriceKinguin
- Check PriceFanatical
- Check PriceGOG
- Check PriceGreen Man Gaming
- Check PriceHumble Bundle
About Monmusu Island
Monmusu Island is a Simulation, Casual, and Indie 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:
- Family Sharing
- Single-player
- Steam Cloud
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
Related Bundles
Monmusu Island is included in 1 bundle in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | PJoY Best Bundle | 3 | 1 | $11.67 | View |
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
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Monmusu Island data has been sourced from:
- Valve Corporation. (2026, June 19). Monmusu Island on Steam. Steam Store. https://store.steampowered.com/app/4326550
- Valve Corporation. (2026, June 19). Monmusu Island. Steam Community Hub. https://steamcommunity.com/app/4326550