- Telephone mini-game bonus songs
Get four medals to unlock the telephone mini-game in 'Rhythm Toys'. Dial the following codes during the telephone mini-game to get a hidden song from Rhythm Tengoku on the Game Boy Advance. Notice: The codes can be found at various hidden locations.

Dial '5553282338' (found in Business Card under 'Rhythm Toys'; requires 1 medal).
Dial '5557325937' (found in Tunnel Endless; requires 12 medals).
Dial '5557268724' (found in Samurai Slice Endless; requires 17 medals).
Dial '5557625688' (found in Battle Of The Bands; unlocked by completing all 50 stages).

Enter the following codes in the Japanese version of the game:

Dial 831[Music Note]831[Music Note]831[Music Note] (found in Business Card under 'Rhythm Toys'; requires 1 medal).
Dial 2[Music Note]21[Music Note]98 (found in Tunnel Endless; requires 12 medals).
Dial 246936[Music Note]1 (found in Samurai Endless; requires 17 medals).
Dial 44[Music Note]8231[Music Note] (found in Live Contest; unlocked by completing all 50 stages).

- Guitar lessons
Successfully complete the indicated task to unlock the corresponding lesson. Notice: This will only unlock the first lesson on a specific difficulty setting. More medals must be earned to unlock additional lessons.

Basic guitar lessons	Successfully complete Rocker (stage 6-3) with at least 15 medals.
Technical guitar lessons	Successfully complete Rocker 2 (stage 10-4) with at least 35 medals.

- Level skip
When you fail a level three times, the cafe will light up and the barista will give you an option to skip the level. An 'OK' will appear next to the level you skipped. Remixes can be skipped if you fail four to six times.

- All jukebox songs
Get a 'Perfect' rank on all 50 stages to unlock all jukebox songs. Notice: In order to get a 'Perfect' rank on a song, wait until it randomly becomes available as eligible for that rank. This is indicated by the frame for the stage changing color and becoming wider. You can now try three times to get a 'Perfect' rank on that stage. If you are unsuccessful, the 'Perfect' rank eligibility will disappear or switch to another stage.

- Medals
Reach a high level on a stage to unlock a medal. After earning a medal, the icon of the stage will have a gold border.

- Battle Of The Bands
Successfully complete Remix 10 to unlock Battle Of The Bands.

- Airboard mini-game
Successfully complete Remixes 1 through 6 to unlock the Airboard mini-game.

- No pause for Perfect challenges
Get a medal on all 50 songs, and there will no longer be any pauses between Perfect challenges.