Another hacked version of Knights of the Round, indicating further variations and modifications by the hacking community. The date (911127) might hint at a timeframe of when this specific hack appeared.  Hacked versions, unlike bootlegs, are often created and shared by enthusiasts.  Again, specifics of the differences from the official game are unknown without additional information.

Knights of the Round (hack set 2, 911127 etc)

Knights of the Round (911127 Japan, B-Board 91634B-2)