1oom - Master of Orion Recreation

The Legendary 4X Strategy Game

eXplore, eXpand, eXploit, eXterminate. Build an interstellar empire, research advanced technologies, and conquer the galaxy.

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Galaxy map showing star systems and planets

eXplore

Send scout ships to discover new star systems, planets, and alien civilizations. Map the unknown reaches of the galaxy.

eXpand

Colonize new worlds, build starbases, and extend your empire's reach. Manage population growth and infrastructure.

eXploit

Research 100+ technologies, manage resources, establish trade routes, and industrialize your colonies.

eXterminate

Design custom ships, build fleets, and engage in tactical combat. Diplomacy or war - the choice is yours.

Game Interface Preview

TURN: 243 TREASURY: 12,450 BC

PROD
450

RESEARCH
280

POP
8.2M

Sol III - Terran Colony ● Active

Alpha Centauri - Research Base ● Active

Sirius - Industrial World ● Enemy Contact

[ FLEET ] [ TECH ] [ RACES ] [ PLANETS ] [ INFO ]

C/C++

SDL

Linux

Windows

macOS

Installation

Requires original Master of Orion v1.3 LBX files. Free download available from various abandonware sites.

Linux

SDL 1.2 or SDL2, SDL_mixer, libsamplerate

Windows

Pre-built binaries available, extract to MOO1 directory

macOS

Compile from source with SDL2 framework

# Debian/Ubuntu

sudo apt-get install libsdl2-dev libsdl2-mixer-dev libsamplerate0-dev

git clone https://github.com/1oom-fork/1oom.git

cd 1oom

./configure && make

sudo make install

GitHub Repository Releases

About This Project

1oom is a free software recreation of Master of Orion (1993) that faithfully reproduces the original DOS version for modern computers. Experience the classic 4X strategy game that defined a genre, now with improved compatibility and bug fixes.