Secret Maryo Chronicles is a free, open source two-dimensional platform game. It was developed and is maintained by the Secret Maryo Chronicles development team, led by Florian Richter ("FluXy").
Secret Maryo Chronicles has been described as a Super Mario Bros. clone by PCtipp. It began as a SourceForge project in January 2003 and has been expanded up the latest release in 2009. The game is OpenGL-based and has an original soundtrack and a built-in game editor. It has been released under the GNU General Public License, Version 3.
Secret Maryo Chronicles was listed as the number one open source video game by APC in January 2008.Stern praised the speed of the game and its puzzle solving. The game was named one of the most promising open source games of 2008 by El Heraldo and praised as a well-made non-violent game for children by heute.