Numerous other versions were created over the next decade for various computer types, including KSU Empire, Xerox Development Environment (XDE) Empire on Xerox computer workstations, PC Empire by Gordon Storga for DOS, Amiga Empire for the Amiga, and Wolfpack Empire.
Numerous adaptations of this software were developed over the next decade for various computer types, including KSU Empire, Xerox Development Environment (XDE) Empire on Xerox workstations, PC Empire by Gordon Storga for DOS, Amiga Empire for the Amiga, and Wolfpack Empire.