MudRunner

The 3 bonus objectives are:

Complete the challenge at night
Before you start, there are two options to either do the tutorial or change to night time. Click the night option, and then you can turn on your headlights with .

Don't use the winch
You shouldn't need to use it if you stay on the road. Turn your wheels back and forth if you get stuck.

Never release the accelerator
You can activate cruise control by holding down , but it is safer just to hold . This way you don't accidently change gears.

A tip for the "Never release the accelerator" bonus objective:
You can shift back and forth between low and reverse without lifting off the gas and still completing the objective. Very useful if you get stuck, just rock it back and forth or just reverse and try something different. Just keep the pedal to the metal!