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Solve the four basic operations at various difficulty levels.
Create, save and test your own levels while learning java basics.
Do not let Bernie get burned. Avoid the hot nasties.
A demonstration of giving a project scaling capability (changing dimensions of worlds proportionally).
Contains a support class for an infinite scrolling world. Very easy to use.
This demo shows the use of my GQActor superclass at work. It is for smooth moving AND gravity bounding.
I started this one thinking it was going to be more useful than it turned out to be.