In minecraft you can do really amazing things like this beautiful Japanese temple or a complete hyperrealist city or, if one wishes, and following the precepts of TheblueMan003 on YouTube
Below you will see a video of the SwankyBox channel on YouTube that show one of the levels of Super Mario recreated in Minecraft and, attentively, play in it without any hurry. It is true that the experience seems still quite green and is not up to the clean platforms of the mustache plumber from Nintendo.
But you have to recognize that do all this and make it "work" It is not something available to everyone, so we congratulate its creator for having done something unique and fully functional. We would like be able to play Super Mario in Minecraft