Flu Fighter by Robot vs. Monkey is fun game based on the old Dr. Mario game for the Nintendo Game System. The game play itself and the goals are the same as Dr. Mario. Each level presents you with "viruses" in three different colors. You are given retangular pills one at a time to kill the viruses. Each pill is divided in half and has one of the three virus colors on each half. Your job is to get rid of the viruses by stacking the pieces on the viruses such that there are four of the same color in a row. You can rotate the pills and move them from side to side to accomplish this goal.