FreeSO (The Sims Online re-implementation)

This site is not affiliated with FreeSO, Maxis or Electronic Arts. We do not host any files and only link the project’s official pages.

What it is

The Sims Online was Maxis’ online version of The Sims, launched in 2002 and renamed EA-Land before EA closed it in 2008.

FreeSO is “a full reimplementation of The Sims Online, using Monogame”. It aims to be faithful to the original while including quality-of-life changes “such as hardware rendering, custom dynamic lighting, hi-res output” (FreeSO README). For about nine years it ran its own public server, recreating the game’s online cities.

The engine also offers a 3D mode, which reconstructs 3D meshes at runtime from the depth data in the original sprites (launch with -3d), and Volcanic, an editor for viewing and modifying game objects alongside a live simulation.

Current status

• Official server: closed. The FreeSO site’s post “The End” says the server “has completely shut down as of December 9th 2024”, after a full export of the database and lot data on 7 December.
• Development: active again in 2026. Releases from 0.7.0-beta (August 2026) to 0.8.5-beta (20 September 2026) ship Windows, Mac and Linux clients, and several changelogs mention dedicated server fixes. The repository was last updated on 28 October 2026.

What you need

• The original The Sims Online game files. The README: FreeSO “depends on the original game files (objects, avatars, ui) to function, which are available for download from EA servers. FreeSO is simply a game engine, and does not contain any copyrighted material.”
• A Windows, Mac or Linux computer.
• A server to connect to, now that the official one is gone. Check the project’s releases and community channels for the current situation.

Simitone: The Sims 1

FreeSO is also the base for Simitone, a re-implementation of The Sims 1’s engine. The README calls it “largely incomplete” but notes that FreeSO’s content system and virtual machines can run The Sims 1 files in a limited way.

Should you use it?

FreeSO remains the most complete recreation of The Sims Online and a remarkable engine project. Without the official server, though, the online city experience depends on whatever servers the community runs with the newer dedicated server builds. We have not tested a current server ourselves.

Unofficial. This page is written by an independent directory. It is not made by, endorsed by or affiliated with Electronic Arts (developed by Maxis) or riperiperi and FreeSO contributors (FreeSO (The Sims Online re-implementation)'s author). We do not host any files, and we never link to game files, ROMs or ISOs.