Cell HD is a touch-based game on cellular life wherein you would have to turn your cell into the biggest cell possible. To attain your goal, you must employ some cautious thinking and quick reflexes, and complete the various levels. There are 45 levels in total and three different game modes, with each mode having 15 levels. These levels are there to both challenge and entertain you from beginning to end with intelligent cells, gravity wells, etc. Also, there are additional levels offered for zero cost through free updates. Needless to say, the excellent graphics and immersive ambient audio track amount to a unique gaming experience.