No you can not. Unless it will run on that sort of system. I think Unreal Tournament runs on some linux system but not sure. Game makers useally make it for windows or Apple computers useually never linux computer but you may find a game that will work.
CPU Type: DualCore AMD Athlon 64 X2, 2200 MHz (11 x 200) 4200+
Motherboard Name: Asus A8R-MVP (3 PCI, 1 PCI-E x1, 2 PCI-E x16, 4 DDR DIMM, Audio, Gigabit LAN, IEEE-1394)
Video Adapter: ATI Radeon X1800 XT (512 MB)
Audio Adapter: Analog Devices AD1986A @ ULi/ALi M5461 High Definition Audio Controller
Disk Drives:ST330062 2AS SCSI Disk Device (320 GB, 7200 RPM, SATA-II) x4 (1280GB)
Network Adapter: Marvell Yukon 88E8001/8003/8010 PCI Gigabit Ethernet Controller