One kind of Flash game that I find particularly entertaining is one in which you have to figure out a puzzle. In Rollercoaster Creator, you have to build a rollercoaster track to get the cars safely from one side of the screen to the other. Along the way, you have to pick up coins and avoid flipping the cars over. The more thrilling you make the ride, the more points you can score. Multiple tools for building the track are available including a pencil tool, a loop, and a handful of ups and downs that will pull the cards up or let them down slowly. For each map though, you are limited to how many of each you can use.

Give Rollercoaster Creator a try!