You can find these files for free on dedicated community sites:

If you transfer a file and the PS2 browser says it is corrupted, the file likely did not copy correctly or is in the wrong format (e.g., trying to load a .cbs file without unzipping it first using a tool like mymc).

From the nostalgic "Moonlit Wilderness" to "Poolside," every stage is unlocked. You also get all BGM tracks for the Jukebox mode.

The side-scrolling mini-game is completed, often on all difficulties. Theater Mode Complete: