Gemfire

Gemfire is a 1991 role-playing strategy video game developed and published by Koei for the Nintendo Entertainment System and later ported to Japanese home computers, Super NES, Genesis, MS-DOS, and Windows. The object in the game is to unify a fictional island by force. Players use a variety of units, such as archers, infantry and dragons, in order to capture the castle needed to control that particular territory. A sequel, Royal Blood II: Chronicles of the Kingdom of Dinar, was released in Japan for Windows.