Puzzle Rally

The purpose of the game is to pick up all the flags from the gaming
field while avoiding to get your car off the road (if it does it is gone).
At the beginning of each level, your car starts from the left bottom corner
of the screen.
You have to come back to the starting point only after collecting
all coloured flags. The car can not run forever as there is a fuel limit.
You can also fill in the fuel while driving, if you'll pick up a fuel tank.
After the end of the level a fuel in the car will be allowed to be used on
the next level.