ZombieThon system requirements state that you will need at least 4 GB of RAM. If possible, make sure your have 8 GB of RAM in order to run ZombieThon to its full potential. In terms of game file size, you will need at least 1 GB of free disk space available. To play ZombieThon you will need a minimum CPU equivalent to an Intel Core i3-530. Whereas, an Intel Core i5-650 is recommended in order to run it. The cheapest graphics card you can play it on is an AMD Radeon HD 5450. But, according to the developers the recommended graphics card is an AMD Radeon R5 M330.
ZombieThon will run on PC system with Win 7, 8 and 10 and upwards.