Super Mario Bros. X (SMBX) Custom Level - Typical Grassland
У вашего броузера проблема в совместимости с HTML5
SMBX Custom Level - Typical Grassland - Created by @Dokuro
Forum Topic Link: http://www.supermariobrosx.org/forums/viewtopic.php?f=32&t=15684
Simple yet nice little Grassland level right here!