Nintendo World Championships 1990 (Gray)

Nintendo World Championships 1990 (also known as NWC '90) is one of the rarest NES games, going for around $19000 and often being called the Holy Grail of NES collecting, the cartridge was used in the official Nintendo competition with the same name and was given out to finalists, there were only 90 being made.

Timer
The game was the only game to feature a switch on the system which allows you to change something in the game (along with its gold variant), in its case is changing the time of the competition.

Owned by

 * Pat the NES Punk