00813D85 Start challenge with the 2nd motorcycle and jet ski
00813F85 Opponents drive erratically--player is guaranteed 1st place
00821B01 Only 1 lap required to qualify instead of 2
00823E01 Races are 1 lap instead of 5
00823E02 Races are 2 laps
00823E03 Races are 3 laps
00823E04 Races are 4 laps
00A9D503 Each island requires 3 points
00A9D504 Each island requires 4 points
00A9D506 Each island requires 6 points
00A9D507 Each island requires 7 points
00B84180 Always advance to the next island regardless of points
00BDD009 Coming in first is worth 9 points
00BDD405 Coming in last is worth 5 points
00BDD409 Coming in last is worth 9 points