
The 'skidding' sound should play if entered correctly. TXT (data) files, letting you open and edit them using a standard text editor.

This means that in order for a cheat code to be recognized successfully, the player must wait at for at least 1 second without touching the keyboard before typing the code (so the game can read a new, fresh code). After the 1 second pause, the game will restart the key reader, allowing the player to write letters again. If they match with a cheat code exactly, that cheat will be activated. Whenever the player stops typing, the game will wait 1 second until it reads the previously inputted letters. The cheat detection mechanism is roughly as follows:

Though sometimes they're not registered, despite the player pressing the keys correctly.

Carmageddon and Carmageddon II's cheats work by typing strings on the keyboard during a race.
