Master of Orion 2 fan patch + mods.

June 1, 2020 | 10463 kB

Installation Instructions:

Windows Linux macOS


Changelog Manual (pdf)

1.50 New Features

Play against a random number of opponents | Play with auto designed ships | 6th ship design slot | Greatly improved build queue management | Unbuy function | New hotkeys.

1.50 Modding

Integrated mapgen functionality | Extensive modding with plain text configuration files | Lua scripting support.

mapgen parameters

1.50 Included Mods

1.50 improved | ICE 26 | VDC | Version 1.2 mod | Melee | Lots of mapmods. | A standard mode is available, which is purely the patch, no mods.

1.50 Compatibility

Installing the 1.50 patch does not break your current MOO2 installation. Version 1.31 or 1.40 games remain intact. No original files are overwritten. Supports the English, German, French, Spanish and Italian DOS editions of Master of Orion 2.

MOO2 Classic Patches

English version 1.31 patch
Last Microprose patch. April 11, 1997. 3350 kB.

German version 1.31 patch
Last Microprose patch. April 11, 1997. 2342 kB.

There are no patches for the French, Spanish and Italian editions because they already released at version 1.31.


MOO2 Mods

ICE-F 26.2
ICE-F is a mod-of-the-mod by Dirtbag. It's used for multiplayer.


MOO2 Tools

Corion2 1.1.1
Savegame Editor. 153 kB. Corion version 1.1.1 has been optimized for the 1.50 patch.

MoO2 Workshop
LBX editor suite by Grig de Griz. 2713 kB. Handles text, picture and font files. Includes a leader editor.

O2M 4.02
Modding tool and game launcher by Ponkyo. Link to external page. Includes a tech tree editor. Do note that this launcher is not compatible with the MOO2 Launcher, so use only 1 launcher in a MOO2 game folder. If you like to keep using both launchers, then create 2 separate MOO2 game directories.


Build Queue Management in the 1.50 patch.

More Build Queue Management in the 1.50 patch.

If the music is off, the sound of cutscenes stays enabled in the 1.50 patch.

Improved Combat AI against planets in the 1.50 patch.

MOO2 Ship Initiative II mechanic in the 1.50 improved mod.

Compare HOMM3 initiative and waiting