In terms of game file size, you will need at least 250 MB of free disk space available. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Orbit Defender. Orbit Defender system requirements state that you will need at least 1 GB of RAM. The cheapest graphics card you can play it on is an NVIDIA GeForce 6200.
Orbit Defender will run on PC system with Windows XP or Later and upwards.
Show Orbit Defender system requirements on your site