An NES bootleg that was sought after for years, Nice Code's Mario Kart is an advanced hack of Nintendo's F-1 Race that only ever appeared on rare Spanish gaming devices.
Unused Game Over#
On the title screen, press Right before pressing Start (a sound effect will accompany this) to get an instant game over when the race starts. There is no way to get a game over normally, making this an unused function.
Unused Graphics#
A little Super Mario Bros.-styled Mario in his kart.
The aforementioned unused "Game Over".
An unused "Pass".
An unused "Time Out".