Strontium Dogs: 2000 AD RPG - Rules of Play says:
Set in the same universe as Judge Dredd, Strontium Dog jumps ahead to the year 2180 and offers the entire galaxy as a playground. With new careers for S/D agents, unique equipment like the variable-cartridge blaster, time bomb and time drogue, a gazetteer of the galaxy and guide to creating new and exciting locations, sample contracts and adventure seeds, plus a whole host of adversaries and allies, this supplement provides an entirely new way to explore the Judge Dredd & the Worlds of 2000 AD roleplaying game. Requires the use of the Judge Dredd & the Worlds of 2000 AD core rulebook.