Oulton Park Island Circuit Just type in your name as "DINKYBIT"
Lock Framerate During Qualification Just type in your name as "TECHLOCK"
Blurry mode In single player mode for a psychadelically blurred background, type in your name as "CASTLETRIPPY" or "TRIPPY" .
Bouncy Barriers Type name as "PADDED"
Oncoming Traffic Type name as "BANGBANG", and a new challenge appears where you drive around a circuit backwards, with cars coming towards you.
Turbo Mode For turbo mode, type in your name as "SKATES".
Overhead View In single player mode type in your name as "MINICARS" to get a Micro-Machines-looking view.
Stay in the Race Enter 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.
Bumper Cars In single player mode type in "BCASTLE" to bounce away from collisions.
All Cars 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.
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!
Speedy Car In single player mode type in your name as "FASTBOY" to make your car go faster than a bat out of...
Does This Race EVER End? To race a ludicrously long 40 laps, type in your name as "LONGLONG" in single player mode.
Flying High In single player mode, type in your name as "LUNAR" to stay in the air longer when you crash.
Cheap Chassis In single player mode, type in your name as "DUBBED". As soon as you touch another car, there will be sudden damage.
Just Feet In single player mode, type in your name as "JUSTFEET" and when driving you will only see your wheels.