Knockdown the Ball Twice Game Keys

Go to: http://store.steampowered.com/ and download STEAM client
Click "Install Steam" (from the upper right corner)
Install and start application, login with your Account name and Password (create one if you don't have).
Please follow these instructions to activate a new retail purchase on Steam:
Launch Steam and log into your Steam account.
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process.
After successful code verification go to the "LIBRARY" tab and start downloading.

Meet the most annoying ball rolling game! Play as a ball; roll, speed up and jump! Choose the places wisely! Pass the moving obstacles wisely, move on the ground without falling down, stop your time when you are about to fall, collect points and skins, finish the level. Features Get rid of obstacles with different strengths. Choose the boost type at the end of each level. Enjoy with different looks. Reach the highest scores. Complete as soon as you can and collect the stars!