Algodoo

A to go backward with all vehicles
D to go forward with all vehicles
Vehicles:
White: Semitruck
Semitruck has special controls. The controls are:
Q to open (Once it's opened as much as you want it, press W to lock
door) then to close, press W again and wait until it stops moving down. Then, press W to lock
the door so that it doesn't fly open while driving.
Dark Gray: Unicycle
Unicycle has no special controls.