Game Groups > Unofficial add-ons
Add-ons that are not supported by the original developer/publisher. These might still have been authorized. Only includes commercial add-ons.
Related Groups
- Aircraft: Civilian
- Commercial mods
- Microsoft Flight Simulator series
- Microsoft Train Simulator series
- Unofficial add-ons for Age of Empires series
- Unofficial add-ons for Command & Conquer games
- Unofficial add-ons for Duke Nukem games
- Unofficial add-ons for Microsoft Flight Simulator games
- Unofficial add-ons for Quake games
- Unofficial add-ons for WarCraft games
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