Unlock all of the mini-games, then the menu music thay plays at the beginning will change.
To get a boost at the start of a race in the monkey racing party game, hold down the Control Stick, then just before the race starts, push up and press A. If you did it right, you'll get a boost like the CPU. This is useful since you won't have to catch up with the CPU's every race.
After getting all of the Party Games. A new option will appear in the Options menu. The new menu allows you to buy more lives, movies, or the Staff Credits Game.
This is a secret level that may have been used as a test level.1. You will need to create another data for the game or insert a new memory card.2. Go into the main game menu and then into story mode.3. Select world 1-1. As soon as the level starts, pause and then hit exit game.4. Go to practice mode and select world 1-1 again. As soon as the level starts, pause and exit again.5. Go to challenge mode and select advanced. As soon as advanced 1 starts, pause and exit.6. Go back to practice mode and go to where advanced 1 is. Make sure you are highlighting the level.7. Press L. This will take you to beginners mode. You wont be highlighting anything but you will have a level name. It should be ~ ~.8. Press A and you are on the secret level. It is really just a square platform with a goal in the corner but it is still cool to get to.
To access the modes give, follow the methods below.
After unlocking all Party Games, you will have access to the Gift menu. However, once you unlock all 99 monkeys, all 12 movies and the Staff Credit game, you will unlock a feature allowing you to keep a record of the number of Play Points you have achieved in one Challenge Mode game. The maximum amount possible is 17,080, which can be obtained by starting a game in Expert mode and clearing every single level including bonus levels without using any warps, all the way through the last level of Master Extra.
To unlock the other two Monkey Bowling 2 Levels in Special Mode, you must complete the level before it with the given minimum score.