Empire II: Interstellar Sharks is a 1982 video game for the Apple II published by Edu-Ware. It is the second game in the Empire trilogy, preceded by Empire I: World Builders and followed by Empire III

Empire III: Armageddon is a video game for the Apple II published by Edu-Ware in 1983. It is the third game in the Empire trilogy, preceded by Empire I: World Builders and Empire II: Interstellar Shar