The software engineering process for games has enough special structure that it can be formulated as a kind of game itself. This, in turn, permits the teaching of game construction in a unique way with new potential to motivate students. We present a new game design client program for an existing collaborative problem-solving website known as CoSolve. The client was built with an emphasis on increased interaction and fine control over a problem's state. With this comes the opportunity to more easily design and test games in the CoSolve space. It is our hope that this will teach and inspire student users to learn more about game design, problem posing, and programming in general.