I have added a couple things [M] - Changes volume [Right Arrow] - Accelerate (or rotate anticlockwise in the air) [Left Arrow] - Brake (or rotate clockwise in the air) [V] to Swap Vehicles & Level (when you get to the new level you will notice the grass changes from sand, which makes the vehicle into a dirtbike, if you want to be on the sand level, but want to change your vehicle, press space
Thank you griffpatch for the original project