V1.05 - Made better color distinction when tiles marked correctly but game over. - Scaled 5 infections image correctly. V1.04 - Scans could be lost if placed at an empty tile, this is now corrected. V1.03 - Scans can now only be removed when in scan mode. V1.02 - Added difficulty selector. V1.01 - A small bug has been fixed capping infections to a maximum of 4 around any grid position in easy mode.