Duke Nukem 3D gameplay video played on PC286 12 Mhz with Hercules Graphics Card and IBM 5151 Monitor 

Video is in XDV format and played in the XDC (X86 Delta Compiler) Player
PC specification:
PC/AT 286 12Mhz (AMD N80L286-12/S 12Mhz) with active cooling due to highly overheating during video playback (XDV files)
Monitor IBM 5151
Motherboard: Headland GC102-PC
FDD Nec 5.25" 360Kb
8-Bit Hercules Graphics Card GB102
1MB 30-Pin SIPP Ram
MS-DOS ver 6.22