Let the party begin! The monkeys have hit the Wii with 50 new interactive Party Games, brand new boss battles, and eight slippery sloping worlds filled with crazy courses.
Grab the Wii Remote and go bananas with your friends today!

• New Gameplay Abilities: With the innovative Wii Remote® and Nunchuk, players can now interact in the Party Games like never before and with a flick of the wrist, the monkeys can now Jump!
• Party Games Galore: 50 new Party Games like Whack-a-Mole, Ring Toss, and Spaceship Landing will keep the party going for hours!
• Multiplayer Madness: Grab your friends and play simultaneously or alternating in a dizzying array of colorful Party Games.
• Eight Colorful Worlds: Roll through eight unique Worlds containing eight stages of varying difficulty and a brand new boss battles at the end.
• Brand New Boss Battles: Never before have the monkeys taken on bosses - but we know you've got what it takes. Find their weakness and you'll move to the next World.

from sega website