Imagine a world, parallel to ours, where the Roman Empire never fell . . . or where intelligent dinosaurs rule continent-spanning empires . . . or where a nuclear exchange between superpowers has reduced the population by 90%. Tangents allows Alternity game players to imagine all these worlds and more! Also includes full rules for dimensional travel, play tips and adventure hooks to get the Gamemaster started, and information on how to incorporate dimensional travel into any campaign.