Is Islet Online co-op?

Yes, Islet Online supports co-op.

Does Islet Online have PvP?

Steam does not list PvP for Islet Online.

How many people play Islet Online?

About 13 players were in-game when this page was built (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Sandbox & building › Building & crafting

Is Islet Online multiplayer or co-op?

Yes — co-op. Islet Online is a building & crafting game released in 2019, 78% positive on Steam (520 reviews), with 13 playing right now. Free on Steam.

Co-opSingle-player tooSandbox & building · Building & crafting

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…

Steam tags: Massively Multiplayer, Indie, Sandbox, RPG, Multiplayer, Anime, Early Access, Building

Do you and a friend both own Islet Online?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Islet Online is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Or open the Steam store page.

Games like Islet Online you can play together

House Flipper 2

Building & crafting · 85% positive on Steam (13,691 reviews) · 2,543 playing right now

Trove

Building & crafting · 80% positive on Steam (92,370 reviews) · 758 playing right now

Eco

Building & crafting · 81% positive on Steam (13,212 reviews) · 692 playing right now

OpenTTD

Building & crafting · 96% positive on Steam (14,394 reviews) · 445 playing right now

Mortal Online 2

Building & crafting · 61% positive on Steam (12,943 reviews) · 440 playing right now

Goat Simulator

Building & crafting · 91% positive on Steam (68,580 reviews) · 71 playing right now

Tired of Islet Online? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Islet Online co-op?: Yes, Islet Online supports co-op.
Does Islet Online have PvP?: Steam does not list PvP for Islet Online.
How many people play Islet Online?: About 13 players were in-game when this page was built (2026-09-09).

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. How the data works · Legal & privacy · All types · Game Pass