This game is pretty cool. It does have a couple issues - the stall when you pick up the passenger and drop them off at the destination. It is easy to get stuck in a corner.

It will become easy after a little practice. This was my first scenario. If I had known a little bit more about greenfoot or took a little more time to design it, the code would have been much better.

A person can get to the top of the screen and just stay there, the rocks and grass will not hold them long enough to put them in danger.