Enter one of the following codes at the cheat menu
(under options) to activate the corresponding cheat function.

Code
Disable dressage failures mr happy
Big head mode bighead
Unlimited cross country energy phar lap
All tracks and horses genie in a bottle
Exaggerated falls tantalus big air
Fireworks new years eve
Shetland pony kanahooka
Development team devteam
Fireworks in the snow christmas snow
All abilities in green tudor park regime