Monster World RPG ver. 1.1 is out now ! ! !

[xequxic]

It's unclear what aspect of 8-bit you are hoping to capture; technically, no, Unity will not run on 8-bit architecture. If you want to make a game in the style of 8-bit games at http://www.kizifan.com/adventure/friv-flappy-bird-2 , you will have to limit the colors, image resolutions, audio file depth, etc yourself to match the hardware you want to emulate.