Influence is an attractive 3D puzzle game that came in second in the 2012 edition of the Microsoft Imagine Cup. The purpose of the game is to create a green city environment. This you can achieve by planting trees in a way they overcome the red influence (negative minded houses). You can place a positive influence by selecting one of the buttons on the bottom, every buttons has different values and properties. Place the influence with the maximum amount of influence the sphere will have. If your done with placing all your influences spheres, press the play button and watch the simulation. As long as there are red influence zones, people won’t cease pollution. This puzzle game offers hours of puzzle fun while in a constant battle against spreading red influences.