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.
nSnake is an implementation of the classic snake game with a textual interface. It is playable at the commandline and uses the nCurses C library for graphics. Its purpose is to provide a simply-coded, almost tutorial-like game with C. The source code is thoroughly commented.