in the main game, the object is to guide a monkey in a hamster ball across a series of platforms in the air and through a goal at the end of the level. four monkeys are available for the player to play as. each level is timed; with a level running for either 30 or 60 seconds. the player controls the main game with the gamecube controller's control stick. by moving the stick, the whole level moves, and the ball rolls in the direction that the level moves. each level has bananas that the player can collect. bananas give the player points, and collecting a certain amount of them gives the player an extra life. should the player fall off of the level or the timer reaches zero, the player loses a life. there are three main difficulties: beginner, advanced and expert. beginner is ten easy levels, advanced is 30 non-easy levels, and expert is 50 harder levels. should the player meet a certain condition after completing a difficulty, they will be able to play the difficulty's "extra" levels. a fourth difficulty level, master, can be unlocked by completing the expert and expert extra levels without using a continue. master is the hardest difficulty level, with ten levels.