Sudokuki is a graphical SUDOKU game. It solves even the most difficult sudoku grids for you. It can generate a sudoku, play sudoku, and print a sudoku.
EDuke32 is a Duke Nukem 3D port that adds several hundred new features for players and developers of user content, including hardware accelerated renderers that take advantage of modern graphical hardware.
Access, share, and sync from anywhere and any device.
A 2D CAD program.