Super Monkey Ball: Uki Uki Party Daishuugou
This game is titled Super Monkey Ball: Banana Blitz in North America, Europe, and Australia and Super Monkey Ball: Uki Uki Party Daishuugou in Japan.
Staff Credits mini-game
Successfully complete World 1 to unlock an option for the Staff Credits mini-game at the Options menu.
Complete each of the default eight worlds without using any continues to earn a crown in all of them to unlock a ninth world called "Sinking Swamp".
Complete World 9 without using any continues.
Successfully complete World 1 through World 9 with only one particular monkey (either AiAi, Baby, Doctor, GonGon, MiMi, or YanYan) to unlock the "Super" version of that character. The "Super" version of that monkey can accelerate slightly faster.
Play as Baby Robo
Complete each mini-game one time. Then, play any mini-game to force the game to save your stats. Then, highlight Baby at the character selection screen of the main game and press 1 to play as Baby Robo from the mini-games.
Strategy guides from GameFAQs