Might and Magic II: Gates to Another World (1988)

After the events of Might and Magic Book One: The Secret of the Inner Sanctum, the adventurers who helped Corak defeat Sheltem on VARN take the "Gates to Another World" located in VARN to the land of CRON (Central Research Observational Nacelle). The land of CRON is facing many problems brought on by the encroachment of Sheltem and the adventurers must travel through CRON, the four elemental planes and even through time to help Corak stop Sheltem from flinging CRON into its sun. (wikipedia)
Genres: Role-Playing, Sandbox
Platforms: Windows, macOS, MS-DOS, Sega Genesis, Super NES, Commodore 64, Amiga
Franchise: Might and Magic
AKA: Might and Magic Book Two
Developer: New World Computing
Publisher: New World Computing