Secret Maryo Chronicles is a free, open source two-dimensional platform game.[1] It was developed and is maintained by the Secret Maryo Chronicles development team, led by Florian Richter ("FluXy").[2]Secret Maryo Chronicles has been described as a Super Mario Bros. clone by PCtipp.[3] It began as aSourceForge project in January 2003 and has been expanded up the latest release in 2009.[4] The game is an OpenGL-based and has an original soundtrack and a built-in game editor. It has been released under theGNU General Public License, Version 3.[5]Secret Maryo Chronicles was listed as the number one open source video game by APC in January 2008.[1]Stern praised the speed of the game and its puzzle solving.[6] 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.[7][8]