Basketball Nightmare was created in 1989.
Nightmare Creatures happened in 1997.
Garfield's Nightmare happened in 2007.
Nightmare LPMud happened in 1992.
Castle Nightmare happened in 1984.
Knights in the Nightmare happened in 2008.
Nightmare Circus happened in 1996.
Nightmare Creatures II happened in 2000.
Nightmare of Eden happened on 1979-12-15.
Nightmare - Atmosfear series - happened in 1991-09.
Alan Wake's American Nightmare happened in 360.
Well basketball is played on a court.