Islet Online
Developed by Morenori Soft · Published by Morenori Soft
At a glance
Overview
An adventure, indie, massively multiplayer game by Morenori Soft, published by Morenori Soft — single-player, multi-player, mmo, co-op.
Steam’s own one-line description: “Islet Online is a sandbox-style MMORPG. It is all about digging and placing bricks to build your own land. And with various materials from wildlife, bricks can be combined to make useful items, too. Whenever you act, your character gets experience.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Islet Online.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | Yes |
| Co-op | Yes |
| Online co-op | Yes |
| PvP | No |
| Cross-platform multiplayer | Yes |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows XP or later
- Processor: Core 2 Duo
- Memory: 2 GB RAM
- Graphics: Shader Model 3.0
- DirectX: Version 9.0c
- Network: Broadband Internet connection
- Storage: 1 GB available space
Recommended
- OS *: Windows 7
- Processor: Core i5
- Memory: 4 GB RAM
- Graphics: Shader Model 3.0
- DirectX: Version 9.0c
- Network: Broadband Internet connection
- Storage: 10 GB available space
Supported languages (13)
Islet Online FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Islet Online?
Steam classifies Islet Online as a Adventure, Indie, Massively Multiplayer, RPG game, developed by Morenori Soft. Islet Online is a sandbox-style MMORPG. It is all about digging and placing bricks to build your own land. And with various materials from wildlife, bricks can be combined to make useful items, too. Whenever you act, your character gets experience.
Is Islet Online free to play?
Yes — Steam lists Islet Online as Free to Play.
Is Islet Online single-player or multiplayer?
Steam lists these modes for Islet Online: Single-player, Multi-player, MMO, Co-op, Online Co-op, Cross-Platform Multiplayer. It supports both solo and multiplayer.
Is Islet Online on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Islet Online for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Does Islet Online support cross-platform play?
Steam tags Islet Online with Cross-Platform Multiplayer.
Is Islet Online out yet?
Yes — Steam lists a release date of Feb 11, 2019.
What platforms is Islet Online on?
Islet Online is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Islet Online single-player or multiplayer?
Steam lists these modes: Single-player, Multi-player, MMO, Co-op, Online Co-op, Cross-Platform Multiplayer.
How much does Islet Online cost?
It's free to play, per Steam.
Does Islet Online have achievements?
Yes — Steam lists 10 achievements for Islet Online.
Who made Islet Online?
Islet Online is developed by Morenori Soft and published by Morenori Soft.
Where to get Islet Online
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Morenori Soft.