Islet Online

Islet Online

Morenori Soft · February 12, 2019 · Massively Multiplayer, Indie, Sandbox, RPG, Multiplayer

Islet Online is free to play — no purchase needed. We track it so you know if that ever changes.

PC
Mostly Positive77% · 5399playing now
This game is free to play. Get it on Steam →

Screenshots

Islet Online price

Islet Online is free to play — there is no purchase price, on Steam or anywhere else we track. We keep watching it, so if it ever stops being free the price history on this page will show when that happened and what it changed to.

About Islet Online

Welcome to Islet Online.
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.
When your character gets experience, your character’s mastery skill level goes up.
With enough skill level, you will be able to accomplish extraordinary results.

Don’t feel for playing together? No worries, we also support single-player play, along with multiplayer option, with support of dedicated server!

As a player of Islet, the whole world is up to you.
Do whatever you want. But, be careful.
There may be some consequences you did not expect before.

Game System



The Ecosystem

In Islet Online, there is an ecosystem. Animals and plants interact with others.
For example, wolves hunt rabbits for their life, rabbits eat grass to reproduce.

Ecosystem of Islet can be affected by your character’s acts.
If you hunt too many rabbits and pigs, wolves may starve to death, due to lack of food.
Then you decide to kill every wolf on your sight, an army of herbivore will lay your world waste in ruin, left nothing but a wasteland. Basically, you will reap what you sow.
Your small action may cause horrific climate change, sudden blight break out from nowhere.
Who couldn’t adapt to the rapidly changing world, will die

Also, there’s a way to restore Islet’s ecosystem.
The answer lies in the world.
Look through carefully. Animals, plants, NPC will hint you.

Animals & NPCs


Animals and NPCs, even plants, dwellers in Islet have their own basic desires.
They have a desire to sleep, eat, and have a family.

When they feel threatened, they will flee. When they feel hunger, they will eat what they want. If desires can’t be solved, a grim fate awaits them – insufficient sleep causes sickness, hunger causes agony of starvation.

NPCs have their own lifetime. When they grow up, they will find their partner to make a family, give birth to a baby. They may perish as the time goes. Sometimes, their kid resembles his/her parents.

You can find seeds to grow plants, tame wild animals to make a farm. With enough time and love, you can even give a name to your special animal.

There is a chance some strangers come and live to the place where you put furniture. You may help them in and out. Then, more people will come to your residence. With enough population, you can be a mayor of the town.

Remember, they will not be nice if you not want to do so.

Crafting

You can craft various items via all kinds of materials gathered from the world.
There are some basic recipes given, but always be creative! Through disassemble and experiment, you can find undiscovered secret recipes.

Level Up

In Islet Online, there are a hundred of skills, which can be categorized in ten groups.
Whenever you act, your character gets experience to raise your mastery skill. Let’s say if you mining bricks, your mining skill will level up. Eventually, your character will be a professional miner. If you jump often, then your jumping skill goes up, then he/she will be able to jump 4 times in the air!

Do whatever you want. Your wish may come true.

Thank you.

We support multi-language chat, but we do not yet support other languages in the UI.

Homepage : http://morenori.com/
EMail : contact@morenori.com

Islet Online — game info

Platforms
Windows
Steam Deck
Playable
Player modes
Single-player, Online co-op, Cross-platform multiplayer
PC Game Pass
Not included
More games like this:Crossplay games

DLC & expansions

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended Jun 1, 2026
peanut would love some pets and treats :)      🌸>  フ      |  _  _ l     /` ミ_xノ     /      |    /  ヽ   ノ   │  | | | / ̄|   | | | | ( ̄ヽ__ヽ_)__) \二つ
5 found this helpful
Not recommended May 25, 2026
"Don't waste your life, I did. Go home," -John Rambo ⣴⣿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⣼⣿⣿⣿⣷⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⣼⣿⣿⣿⣿⣿⣿⣿⣦⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣶⣤⣤⣶⣶⣿⣿⡗ ⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠟⠀ ⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠃ ⣿⣿⡇⠜⠙⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠀⠀Got a cat here ⣿⣿⣿⣶⣿⣿⣿⣿⣿⠋⡹⠙⣿⣿⣿⡇⠀ Friends passing ⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣶⣾⣿⣿⠛⠀⠀by can touch her ⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡟⠛⠁⠀⠀and click Like to pet ♡ ⣿⣿⡿⠻⠿⠿⠿⠿⠛⠹⠑⠀⠀ Award for good luck, Take My Points for infinite pets ♡ ⠟⠁⠀
2 found this helpful
Recommended Oct 2, 2026
Lifeskill progression game. Reminiscent of Harvest Moon. Well suited for leveling addicts. Chill and relaxing gameplay. For a multiplayer game, very sparsely populated. Don't know what the endgame could be. Maybe just maxing out every skill? I won't be around to find out, not my type of game.
Recommended May 18, 2026
Islet Online is an open-ended sandbox MMORPG built around the idea that players should be able to shape both their character and the world through ordinary actions. Developed and published by Morenori Soft, it combines voxel construction, crafting, farming, exploration, ecological simulation, and multiplayer interaction into one unusually flexible package. Rather than constantly pushing players toward quests or scripted objectives, it provides a collection of interconnected systems and encourages players to decide what kind of life they want to create. Gathering and construction form the foundation of the experience. Terrain can be mined for materials and reshaped as players establish homes, farms, workshops, and larger settlements. Its block-based building mechanics provide considerable creative freedom, especially for anyone who enjoys gradually turning an untouched area into a personalized community. Crafting works alongside exploration and experimentation, with additional recipes becoming available as players interact with materials and learn how different objects can be produced. Progress therefore feels closely tied to curiosity instead of simply following a fixed sequence o…
Recommended May 4, 2026
Better than Minecraft and Roblox :D
Not recommended Jan 18, 2026
I think it was one of the games I used to play a lot when I was young. I downloaded it because I remember when I played like I was crazy about this game every day, but it's different from the past. Well, the map is like that. There are few users, and even if there are none, it's afk. And of course, since it's a Korean game, communication with foreigners seemed a little lacking. Of course, the advantage is that there are a lot of relationship activities between users and operators, but I think this game is a little bit harsh. Even so, users should keep a certain level. The operator should not stand in a third position or on anyone's side, but this game is a little problematic in this way. And the commonly called watering down is also severe. I think memories are best when they're memories. And, so to speak, this game is just a labor game. Don't ask for more or less. People who don't like labor would say that it would be good to communicate with each other, but here, they tend to ignore and not add new users to the conversation because they're talking well with each other, so you can try it anyway because the game has changed to free of charge. There is this game on mobile as well, I…

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