Cells are regenerating at an incredible speed, in this case they are harsh to threaten the health of a normal human being. The blue pill as you are mastering is sent to eliminate all the infected cells. Use your KEYS WASD or ARROW KEYS to control the position of the drug pill, while press and hold the LEFT MOUSE BUTTON to fire your weapon to solve the crisis of the biochemical tissue. Upgrade your pill at proper time, and stand as longer as you can. Cell Warfare is a shooting game, available on www.flash-game.net. Have fun!