Invade Earth is based on the popular game Risk 2210 A.D. by Avalon Hill. Features of the game include the following:
- Multiple rule sets and maps, including Invade Earth A.D.
- Several expansions with new rules to play by
- Play against the built-in computer opponents
- Play against your friends, either at home or across the Internet
- Create your own custom maps
- Set custom rule values to alter gameplay