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Reusable GUI components. (TextBox, Menu, ListBox, Window, etc.)
Greeps competition on Greenfoot site with Highscores! Note: no solutions are made visible.
Play chess with other Greenfoot users, or against the AI (with difficulty setting), or yourself.
Start of an Isometric breakout. 4 types of blocks. A start on pickups/powers
A text-based pacman first programed in a listbox in Visual Basic (using MS Visual Studios)
Play Battleship with other users! First onsite user multiplayer game! With instant messenger after each match
Raycasting with thin walls, windows, multiple floors, elevators, trees, outside, wandering sprite, editor, and fading darkness