On the loading screen shown whilst the map is being generated, underneath the level setup, "HEADS-UP!" can appear, meaning a mutator will be activated.
There is an heavy fog preventing you from seeing too far.
RISE 'N SHINE!
It's dawn. The sun is just above the horizon and shining a colourful orange tint.
I CAN'T SEE A THING!
It's night time! Your bike has its little front lamp switched on.
WHERE'S THE PATH?
The trail has gone missing, and so are the stunts. Thankfully, a compass showing you were is the finish line is visible at the top of the screen.