Early American Chrononauts is a stand-alone prequel to Chrononauts, also from Looney Labs. The all-new TimeLine begins just before the American Revolution in 1770 and continues through the Civil War, stopping at 1916. As with Chrononauts, players travel throught time to change linchpin events, patch paradoxes, and collect artifacts.This is a stand-alone game, but EAC's TimeLine can fit together with the Chrononauts TimeLine to combine the two games into one huge game. - BoardGameGeek