Ever wondered what the original 1985 version of Super Mario Bros. would be like with a Portal gun? Now you can find out, with Mari0!
Originally revealed last year, the Portal + Mario mash-up is now complete and available for free on Windows, Linux and Mac OS X.
From developer Stabyourself, Mari0 features the complete NES version of Super Mario Bros. with the addition of a Portal gun, and it doesn't stop there. It also includes four-player co-op, a level editor and even 33 unique hats for Mario to wear.
You can download it right now for free here.