From GameBrew - a wiki dedicated to Video Game Homebrew.
Sudoku Maniac is a Sudoku solver. It was made with the C language.
Place numbers 1 through 9 in the board. Once resolved, there will be numbers 1 through 9 in each row, each column and each square with no repeat numbers.
Up - solve the grid (like when you press SOLVE)
Down - resets the grid (like when you press ERASE)
Left - decrease the number selected
Right - increase the number selected
A - confirm (when asked)
B - cancel (when asked)
L - change the selected digit to 1
A - change the selected digit to 9
L & A - skip the selected digit to 0
Too many sprites