This is a hack of the original Japanese Rockman (Mega Man) NES game, created by 'Small Apple'. The 'v1.0' indicates the version number and 'Rockman Kai' suggests a variation on the original name or a thematic change within the hack. The game likely contains adjustments to the original gameplay, perhaps in level design, difficulty, or adding new elements. This represents a fan-made modification demonstrating the enduring appeal of the original game.

Rockman (Japan) [Hack by Small Apple v1.0] (~Rockman Kai)

Rockman (Japan)