Alternity

A science-fiction roleplaying game covering modern action through far-future adventure. Campaigns can explore technological breakthroughs, space travel, alien contact, invasions, or the aftermath of a transformed world, using settings based on scientific or quasiscientific ideas. Players create characters and portray their actions as a Gamemaster presents challenges, locations, and unfolding events. The rules support a range of science-fiction styles, from near-future worlds with advanced technology to interstellar societies spread across multiple worlds.