MegaMek is an unofficial, online version of the Classic BattleTech board game. MegaMek is open source, free software. It is licenced under the GPL.

Current features include:

  • Network or hotseat play for 2 or more players
  • A somewhat cunning AI opponent for offline play
  • Choice of ground, atmosphere, or space combat, using Total Warfare rules
  • Integration of ground and atmospheric combat using the "Aerospace Units on Ground Mapsheets" rule.
  • Many of the optional rules and technology from Tactical Operations, including advanced terrain and planetary conditions
  • Map board selection and editing
  • Map boards based off official map packs included
  • Mech selection and support for some mech editors
  • Most official mech designs
  • Color graphics

System Requirements MegaMek is programmed in Java and will run on any system with a compatible Java Virtual Machine. It has been tested on Windows, Linux and MacOS X.

The project also has a public Slack page which can be used to communicate with the developers and other members of the community. 
Click here to join Slack.