The title screen of the game with a custom outfit equipped on the player An update to the game titled Mari0: Special Edition was planned for release at an unknown date, however it was cancelled in 2015 following technical constraints. It was well-received by critics for its creativity and simplistic concept. The game quickly gained traction through online blogs and news sites, and has been downloaded nearly 1.6 million times. Wii – however, after they viewed a Dorkly video entitled Mario With A Portal Gun, they settled on the idea of including a portal gun and other elements from the Portal series.

The pair's first idea was to implement a four-player multiplayer system similar to the one seen in New Super Mario Bros. It was made with the LÖVE game framework.ĭevelopment began in 2011 as a direct port of the original Super Mario Bros.

The game features Mario armed with a ' portal gun', the main game mechanic in the Portal series, allowing him to create two inter-spatial portals on 2-dimensional surfaces which can transport himself, enemies and other objects through them. It combines gameplay elements from Nintendo's Super Mario series and Valve's Portal series. Mari0 (pronounced 'mari-zero' or 'mari-oh') is a 2012 side-scrolling platform video game developed by German indie developer Maurice Guégan with creative input from Sašo Smolej and released onto their website.

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