Viruses invade various organs of the human body. If they are not eliminated in time, they will cause great harm. In the game, the player's task is to circle the virus can be eliminated, circle the region to reach the specified size can pass.
Mobile space bar and key coordination, draw a region.
Eradicate the virus and break through successfully.
Game loaded click play button-select the first virus-then select level 1-finally click on the screen to start the game