The cheapest graphics card you can play it on is an NVIDIA GeForce 8800 GT. Futhermore, an NVIDIA GeForce 9800 GT is recommended in order to run Ultramegon with the highest settings. To play Ultramegon you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. Whereas, an Intel Core 2 Duo T5850 is recommended in order to run it. Ultramegon system requirements state that you will need at least 4 GB of RAM.
Ultramegon will run on PC system with Windows XP and newer and upwards.