I liked the game, I completed it using the green arrows mostly and a few times used the clock. What I did was run the game before giving any comands to see what happened when I didnt put any comand then I used the green arrows to take the monkey to roads that didn't have any cars or that I realized that when the monkey got there the cars wouldnt be there.
I got a bit stuck in one of the levels behind that truck, so I put some clocks to make the monkey stop and then go after the truck moved again, don't remember now but I think I put like three clocks in a row and maybe one of the arrows to make it work.