Tetro Virus is an interesting puzzle game for all ages. The main objective: Kill all the viruses in the bank and cure the infection. Rules: The player manipulates each capsule when it falls, moving it to the left or to the right and turning it so that it is located next to the viruses and any existing capsules. When four or more half capsules or viruses of coinciding color are aligned in vertical or horizontal configurations, they are removed from the game. The game ends if the capsules fill t