MegaMek is an unofficial, online version of the Classic BattleTech board game. MegaMek is open source, free software. It is licensed under the GPL.
WHAT IS SOLARIS?
Solaris is a system on the Lyran border to the Free Worlds League. Its planet, Solaris VII, is famous throughout the whole Inner Sphere for its BattleMech fights, which are operated there as a sport in the Solaris Games.
WHAT IS "THE FACTORY"?
The Marik battlefield began its life as a shuttle manufacturing plant large enough to accommodate IndustrialMechs. The decrepit facility features multiple levels with elevators and ramps to move between them.
WHAT DO I NEED TO PLAY?
You will need to download the recent test release of the MegaMek client. Click the "Get MegaMek" menu item to the left and download version "0.35.41". You may also need Java VM on your system, and you will be prompted to download during setup.