The Nintendo Entertainment System (Famicom in Japan) was Nintendo's first programmable console.  It was released in North America on 10/18/85.

Search for and defeat an evil wizard who has stolen your castle and your family.

Alluded to in Bright Side of the Moon. Break into a spooky mansion to save your cheerleader girlfriend.

The last of the great hero kings enters Castle Shadowgate to stop the Warlock Lord from summoning a hell demon.