When he morphs into a Ninja, You'd better Duck.

• Play as Maui. Play as the Ninja. Play as Maui. Play as the Ninja. Try not to get dizzy.
• Find the missing Shabuhm Shabuhm idol before your island paradise goes kaboom, kaboom.
• Hours and hours of intense gameplay, so pack plenty of attitude. And your big gun.
• Come beak to beak with Muddrakes, Rotting Pirates, Duck Zombies, Amazon Warriors, and a bunch of fowl-tempered hangers on.
• Laugh in the face of danger across 23 stages from the top of a volcano, the bottom of the sea, the Realm of the Dead, and the Ninja Training Grounds. Then get the heck out.
• Live every level like it's your last. 'Cuz it may be.

To activate the game, you need a Steam Account

• Login or register at the official
  Steam Website and download Steam client
• Install and start application, login with your Account name and Password
• Click the Games Menu.
• Choose Activate a Product on Steam...
• Follow the onscreen instructions to complete the process
• After the successful code verification, go to the "MY GAMES" tab and start downloading.