Gunhound EX system requirements state that you will need at least 2 GB of RAM. If possible, make sure your have 4 GB of RAM in order to run Gunhound EX to its full potential. In terms of game file size, you will need at least 1 GB of free disk space available. To play Gunhound EX you will need a minimum CPU equivalent to an Intel Core 2 Duo E4300. Whereas, an Intel Core i3-530 is recommended in order to run it. The cheapest graphics card you can play it on is an NVIDIA GeForce 6200. But, according to the developers the recommended graphics card is an NVIDIA GeForce 6100.
Gunhound EX will run on PC system with Windows XP (SP3 or newer) and upwards.