Mari0 Teaser Trailer - Mario Portals01:22

Mari0 Teaser Trailer - Mario Portals

Mari0 Teaser Trailer

Mari0 Title Screen

Mari0 title screen.

Mari0 is an open source fan-made video game that combines elements of the video games Super Mario Bros and Portal. The game was made by Maurice, who had previously worked on Not Tetris 2. The game was in development for some time, and was released on March 3rd, 2012.

The 1.6 version contains 19631 lines of code, 3446 empty lines and 872 lines of comments spread accross 79 .lua files. It also contains 226 .png and 1 .gif (The .gif is the icon), 46 .ogg (Sounds & Music) and 26 .frag (Shaders).

Description on

Two genre defining games from completely different eras: Nintendo's Super Mario Bros. and Valve's Portal. These two games managed to give Platformers and First-Person Puzzle Games a solid place in the video game world. But what if Nintendo teamed up with Valve and recreated the famous Mario game with Portal gun mechanics?

A complete from scratch recreation of Super Mario Bros. with a focus on perfectly imitating the feel the 1985 classic gave us. Then give Mario a portal gun, add puzzle game mechanics from Portal and there you go. And if that wasn't crazy enough, play 4-player coop, with everyone having their own Portal gun!


  • Complete recreation of SMB
  • Elements from Portal
  • Portal gun that shoots portals
  • 4-player simultaneous coop
  • Level Editor that was used to create the levels in the game
  • 33 different hats
  • Downloadable Mappacks
  • Game modifiers for extra fun


Mari0 is almost the same as Super Mario Bros., with the major differences being the portal entities and the level editor, which allows people to make entirely custom mappacks.


The original idea for Mari0 was to make a clone of Super Mario Bros. but with multiplayer like in New Super Mario Bros. Wii had. After Maurice saw a Dorkly video called Mario With A Portal Gun, Maurice Guégan came up with the final idea for the game.

He started on it in January 2011, keeping followers up to date blog posts. The final release date was posted as a puzzle, it was quickly decoded to reveal March 3rd. An accompanying count-down timer was then placed on

The Puzzle

With Mari0 released, there have been several updates fixing bugs and adding new features. The first six were uploaded relatively quickly, followed by the announcement of a bigger update. On August 12th, 2015, Mari0: Special Edition was cancelled, and the game will probably not be updated further. However, since several betas have been released to the forum, the final release of the game is Mari0: SE Beta 9.


The one year anniversary was celebrated with a blog post, as well as a thread on the forums which is bumped annually for future anniversaries.

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