Practice math by adding, subtracting, or multiplying randomly generated numbers.
To view the sourcecode of the project, go to https://github.com/tenny1028/Math-Quiz-Game
JGames is a sort of "game development framework" that creates a solid general structure for all Board Games, Strategy Games and all these game, 2D and 3D, that can be specified defining its particular Rules.
Katz und Maus is a great Java simulation of two animal species, cats and mice. In the game the user can give his chosen species artificial intelligence. In fact he decided about mice he must code how they react on different events, e.g. corn found.