Explore the depths of the universe like Mario in this fun ROM. Complete all new levels and enjoy new graphics and game enhancements in Super Mario Odyssey! Super Mario Odyssey is a popular and iconic ROM hack that worked on its developer known as BMF54123. As the ROM hack of the original Super Mario World for the Super Nintendo Entertainment System (SNES), the game Super Mario Odyssey is known for its custom code and beautiful level design. Despite having similar names to the Nintendo Switch game Super Mario Odyssey, this game is not based on the Nintendo Switch Mario game. This ROM hack has many changes, including new sprites, new backgrounds, improved graphics and more.