Chains is a challenging puzzle game with a unique feel and distinctive vector graphics style. The object of the game is simple – to link adjacent bubbles of the same color into chains. As you progress through the physics-driven stages it becomes increasingly more challenging and players' speed, strategy and skill will be put to the test.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 “MY GAMES” tab and start downloading.