You will need at least 2 GB of free disk space to install GUNS UP!. An Intel Celeron G1820 CPU is required at a minimum to run GUNS UP!. Whereas, an Intel Core i3-4160 is recommended in order to run it. The cheapest graphics card you can play it on is an AMD Radeon HD 7750. Futhermore, an ATI Radeon HD 5870 is recommended in order to run GUNS UP! with the highest settings. GUNS UP! system requirements state that you will need at least 2 GB of RAM. Additionally, the game developers recommend somewhere around 4 GB of RAM in your system.
GUNS UP! will run on PC system with Windows XP SP3, Vista or higher and upwards.