In Tirwik you have to form color lines using boxes that change color every time you select a line. These boxes change from red to yellow, to green and then back to red. There are 3 different game modes: Normal, Endless and Board.

Deep strategy and involving depth, deceptively simple to play, yet so many avenues and strategies to master. Protector is a game that will steal your free time and leave you feeling happy to have lost it. Updated 15 feb 08 Bug fixes ??“ Thanks for finding and reporting them! Place units to kill invading enemies. Extensive documentation provided in game via the "Protectopedia"