Type in your name as "MECHANIC" to access all of the cars.
All Tracks
Type in your name as "BIGLEY" to access all of the tracks.
Blurry mode
For a psychadelically blurred background, type in your name as "CASTLETRIPPY" or "TRIPPY" in single player mode.
Bouncy Barriers
Type in your name as "PADDED".
Bumper Cars
In single player mode type in "BCASTLE" to bounce away from collisions.
Cheap Chassis
In single player mode, type in your name as "DUBBED". As soon as you touch another car, there will be instant damage.
Does This Race EVER End?
To race a ludicrously long 40 laps, type in your name as "LONGLONG" in single player mode.
Expandable Track
Literally. In single player mode type in your name as "ELASTIC" to stretch the track higher - be careful though, you can fall off the edge!
Flying High
In single player mode, type in your name as "LUNAR" to stay in the air longer when you crash.
Just Feet
In single player mode, type in your name as "JUSTFEET" and when driving you will only see your wheels.
Lock Framerate During Qualification
Type in your name as: "TECHLOCK".
Oncoming Traffic
Type in your name as "BANGBANG", and a new challenge appears where you drive around a circuit backwards, with cars coming towards you.
Oulton Park Island Circuit
Type in your name as: DINKYBIT.
Overhead View
In single player mode type in your name as "MINICARS" to get a Micro-Machines-looking view.
Speedy Car
In single player mode type in your name as "FASTBOY" to make your car go faster than a bat out of...
Stay in the Race
Enter your name as "PUNCHY" when you are entering the full championship (not the support car championships). No matter how many points you score, you will still be able to continue in the championships.