Super Nintendo game Harley's Humongous Adventure is a platform game with 8-bit graphics and a very fast playing speed. You play as Harley, a huge, anthropomorphic motorcycle, and your mission is to save the day by completing various tasks in different levels. You can ride your bike on the ground, on ramps, and through obstacles in order to complete the level. There are also secret areas where you can find powerups and other items. The game is easy to play and has a very fast playing speed, so you can complete the levels quickly and easily.