Once again, you only have to draw one continuous line. When you draw on a tile, it will change color from orange to blue or from blue to orange. You solve each puzzle, by making all tiles akin. There are 96 puzzles on “Normal”-mode and 96 puzzles in “Time”-mode. Each puzzles can have many different solutions. Start with basic puzzles and unlock harder ones. There are also special tiles. The “Teleport”-tile, teleports the line to another point in the puzzle. The “Double Use”-tile can be used twice, which is requires to solve some of the puzzles.

— Activation Details —

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.