Please do the following:

Enable "Mode Select" by either holding Left Arrow or Right Arrow then Start at the titlescreen. Choose "Single", "2 Credits Double",or "Center". Note: Double will not work unless insertinganother credit. Highlight "Internet Ranking" and pressRight Arrow again to get Marathon Course. Extra Optionsare also available when selected.

Insert Credits and Hold "Right Arrow" and press "Start".

Then, choose whether you want "Single," "Center," or "Double."

After you do that, it will prompt you to choose "Course," "Music Select," or "Internet Ranking".

Press "Right Arrow" until it shows "Marathon Mode."

Marathon Mode is a (seemingly) endless mode. As long as you do good, you can keep playing.

Enable "Mode Select" by holding Right Arrow then Start at the title screen. Choose the "Single","Double", or "Center" option. Choose "MusicSelect". "Extra Options" should appear. You canchoose any kind of difficulty such as mirror, cross, or changethe speed of the scroll up to 3x. The Extra Songs should appearafter Mind Parasite. The Extra Songs are Stay (Mod Bouncy Version),Non-Stop Special 1, and Non-Stop Special 2.