Songs 23-28 (NTSC Version)
The PAL (European) version has 25 songs total, while the US version has 28.
Songs 23-28 (US version only)
Complete the first 23 songs on any difficulty.
Unlocking tracks 21-25
Complete tracks 1-20 all the way through on any mode.
Master level difficulty
To unlock as master difficulty, get an A in one of the tracks. You will then have a new difficulty level. It is (as far as I can tell) exactly like hard mode but with less warning when the heads will
Home-made games
The following is a list of fun games you can invent to keep the groove going. They are best played with two or more players.
Perfection: The person with the most amount of perfects wins; points are irrelevant.
Battle Of The Gods: Play "Praise you", "Rubberneckin", and "Addicted to Bass" all under the hard difficulty setting. The player with the biggest score out of those three rounds combined wins. Note: This requires the bonus tracks.
Danceathon: Play all twenty five songs in a row on any mode. The player with the biggest score out of all those rounds combined wins. Note: This requires the bonus tracks.
Goldie Oldie (in order of age): Play "Dance To The Music", "Jungle Boogie", "YMCA", "We Are Family", and "Let's Groove".
New Years Groove (all new songs released in 2003 in order of track appearance): Play "Jumpin", "Hooray, Hooray", "Hustler Groove", and "Rubberneckin".
Dance Like Hell: Play "Addicted To Bass" in master mode. You will not last long, but the idea is to see how long you last.
Pain In The Neck: Play "Praise You" in master mode.
Drybone: Set up calorie mode and burn at least 10, 15 or 20 calories.