SG 520 Features: -Anti-Virus game.-Sliding puzzle game with a new twist: tiles that only slide diagonally and can move in group.-Once you 'catch the bug' it's hard to put this game down.-Bio-logical game.-Put your immune system to work and get rid of the virus before it can multiply itself.
Has been awarded by the National Parenting Center
Try to remove the red virus from the board
Fun sliding puzzle
Pieces can be moved diagonally and in groups
60 challenges