MMOS: MMO Simulator cover art

MMOS: MMO Simulator

Build and run your own fantasy MMO in a single-player management sim. Design the world, classes, loot and raids, then watch simulated adventurers play, form guilds and chase rare drops. Keep them happy, keep…

11 December 2026

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MMOS: MMO Simulator is an indie, releasing 11 December 2026 on PC (Microsoft Windows).

Verified Sources: IGDB , Steam

What MMOS: MMO Simulator is

MMOS: MMO Simulator is an unreleased indie game, currently scheduled for 11 December 2026. It is available on PC (Microsoft Windows) only.

The premise, in the publisher's words

Build and run your own fantasy MMO in a single-player management sim. Design the world, classes, loot and raids, then watch simulated adventurers play, form guilds and chase rare drops. Keep them happy, keep them subscribed, and decide what your MMO needs next.
Description from the publisher · source

How it plays

It is played from a bird view / isometric perspective. It is a single-player game with no multiplayer component.

Official trailer

Trailer thumbnail

Sourced from the publisher’s YouTube channel.

Screenshots

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Quick answers

MMOS: MMO Simulator — frequently asked questions

When is MMOS: MMO Simulator coming out?
MMOS: MMO Simulator is scheduled to release on 11 December 2026. That is 51 days away.

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