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Mari0 video game logo.png
Original author(s)Maurice Guégan, Raicuparta (designer)
Maurice Guégan, Alex Szpakowski, Garb, Matt Y. PolkM (artwork)
Initial release1.0.0 / 3 March 2012; 7 years ago (2012-03-03)[1]
Stable release
1.6.2 / 15 September 2018; 8 months ago (2018-09-15)[2]
Repository Edit this at Wikidata
Written inLÖVE
Platformcross-platform (Microsoft Windows, OS X, Linux, OpenPandora[3])
TypeSingle-player, multiplayer Platform, puzzle
LicenseCreative Commons license BY-NC-SA (latest release)
MIT license (current repository)

Mari0 is a fan-made video game that combines elements of the video games Super Mario Bros and Portal.[4] The game was developed by German indie developer[5] Maurice Guégan of, who has previously worked on parody games such as Not Tetris. Mari0 was developed with the LÖVE framework,[6] and is cross-platform. The game was released on March 3, 2012 for Windows, Mac OS X, and Linux under a Creative Commons license (BY-NC-SA 3.0) as Freeware.[6] The source code is also available to download.[7]

In September 2018, the source code in the game's Git repository was re-licensed under the MIT license.[8] The most recent release remains under the BY-NC-SA.


Mari0 title screen

The core game of Mari0 plays directly from the 8-bit Super Mario Bros. 2D platform game, where the player controls Mario via the keyboard, running and jumping through levels, avoiding or jumping on enemies to defeat them, while collecting coins to earn points towards their score. The game adds the concept of the "portal gun" from the Portal series; the player can click with the mouse device on two separate surfaces on the level to create a portal between them. This can be used for a number of gameplay options, often using vertical momentum entering one portal to "fling" the Mario character horizontally out of the other portal, but will also affect enemies and other game elements in similar manners.

The core game uses the level designs from the original Super Mario Bros. as well as sets of test chambers inspired by Portal's Aperture Science. A level editor, along with different graphic sets and shaders, are provided to create new content. Up to four players can cooperatively play in the game.[7]

On August 12, 2015, development on Mari0: Special Edition, a large update to Mari0, was cancelled.[9] However, the beta versions of this update can be found on the website's forums.[10]


Early build of Mari0's online multiplayer menu

The original idea for Mari0 was to make a clone of Super Mario Bros. but with the multiplayer element that New Super Mario Bros. Wii had. However, after seeing a video on the humor site Dorkly entitled Mario With A Portal Gun, Maurice decided he would add a portal gun as well.[11][12]

Development began in January 2011 by Maurice Guégan, the lead programmer of He frequently created blog posts keeping followers up to date with the latest Mari0 developments, including a month-long screenshot marathon of Mari0 updates. Several teasers and videos were posted and a speculated release date of Christmas 2011 was proposed, although this was later pushed towards New Year's Eve 2011,[13] and then postponed further until beta testing had been completed and Maurice was satisfied with the release.

The final release date was posted as a puzzle and was quickly decoded to reveal March 3, 2012 as the release date.[14] An accompanying count-down timer was also placed on the homepage.[15]

The first official release was made alongside the publishing of a trailer video.[16] Several updates were released shortly after the game's launch to add a few new features, extra sets of levels, and fix many bugs.[17] The code was also uploaded to a public GitHub repository with recent changes featuring a few minor bug fixes and updates to newer versions of LÖVE.[2]

On May 1, 2012, Mari0: Special Edition was announced.[18] It was an update to the game which was planned to feature the originally delayed online multiplayer,[19] along with several other features for use in custom levels, such as vertical maps, custom characters, and more elements from Portal 2. Development continued on for several years and a few beta versions were released to the forums.[10] However, after over a year of silence about the update, it was confirmed as being cancelled on August 12, 2015.[9]


Mari0 has been covered on various technology and video game websites. It has gained a lot of attention on sites such as YouTube[20] and Reddit.[21] The game has been well received on various video game blog sites. John Walker of Rock, Paper, Shotgun stated "If it doesn't make you gasp and want to post it to the rest of the internet, then I simply don't understand you."[22]

One year after the release, the game had accumulated 1.6 million downloads from the website according to the developers.[23]

See also[edit]


  1. ^ update 1.1 on
  2. ^ a b 1.6.2 on
  3. ^ Mari0 on
  4. ^ Mari0 Puts a Portal Gun in Super Mario Bros - Kotaku
  5. ^ Skurriler Shooter Super Portal Mario by Markus Böhm on (2011-09-02)
  6. ^ a b Mari0 Gets a Release Date - UbuntuVibes
  7. ^ a b Mari0 Information - Official Website
  8. ^ Stabyourself. "f00ca70: Change license to MIT". Stabyourself/mari0. GitHub.
  9. ^ a b Intern Paul. "Mari0 SE, Gamescom, The Future". Retrieved 28 February 2017.
  10. ^ a b "Mari0 SE Beta - forum". Retrieved 2018-09-25.
  11. ^ The Interview: Mario - Obsolete Gamer
  12. ^ Dorkly Bits: Mario With A Portal Gun - Dorkly
  13. ^ news archive - No Christmas release! :( -
  14. ^ news archive - It's a riddle -
  15. ^ news archive - Countdown! -
  16. ^ news archive - Mari0 RELEASED!! -
  17. ^ Mari0 1.6! Riot shield, famas and galil -
  18. ^ "Amazing Community Mappack". news archive. Retrieved 2018-09-25.
  19. ^ (2012-04-02), Mari0 - Massive Online Multiplayer, retrieved 2018-09-25
  20. ^ Mari0 on YouTube
  21. ^ Mari0 on reddit
  22. ^ Prepare To Want: Mari0 Is Remarkable - by John Walker on Rock, Paper, Shotgun (2011)
  23. ^ mari0-is-1-year-old-today on "Mari0 so far clocked in 1,696,644 downloads (not counting third party websites), with Windows having 88.88%, OSX 6.09%, Linux 3.18% and source 1.85% of the downloads. It is played (details here) on average over 10 thousand times every single day."

External links[edit]