SpaceTime is a role-playing game published by Blacksburg Tactical Research Center in 1988.

SpaceTime is a cyberpunk system, fully compatible with Timelords. Set in a nasty urban future ruled by interplanetary corporations, the rules cover character creation, skills, combat, medical technology, equipment, weapons, and alien environments.

SpaceTime was designed by Greg Porter, and published by Blacksburg Tactical Research Center in 1988 as a 128-page book.

Renegade Dreams, a cyberpunk adventure, was released in 1989.

In 2003, the game was redone as a setting under BTRC's EABA game system.^{[citation needed]}