The ZOMBIE Grave Mania is a timed three round matching game, featuring Zombie Game Cards. The first round is 100 seconds and each after that is 10 seconds less, so will have the time to improve each round.Another thrilling feature that makes it even more awesome then just a matching game- you must find the icons that link together in some way! You also get some help along the way. You can use the REFRESH button 3 times, this mixes up the game cards so it is easier to find linking matches. You can also use the FIND button 3 times, and this will find the matching links for you.ZOMBIE Grave Mania is an addictive race, that gets harder each round. Have Fun !!!