We love nerd art as much as anyone else, but when it comes to geeky home décor nothing can compare to this masterpiece. Flickr user Guy Smiley painted Super Mario Bros’ World 1-1 and 1-2 in his spare room over the past seven months, recreating bricks, clouds, and enemies in impressive detail.

We’ve given you a sampling of the completed project here, but check out his full gallery to see how much work went into all four walls of the final presentation. 

Color us impressed.