The minimum memory requirement for Guntastic is 4 GB of RAM installed in your computer. You will need at least 400 MB of free disk space to install Guntastic. To play Guntastic you will need a minimum CPU equivalent to an Intel Core 2 Duo E8400. The cheapest graphics card you can play it on is an AMD Radeon 9200 SE.
Guntastic will run on PC system with Windows 7 and upwards. Additionally it has a Mac version.