-h,--help
Prints the command line options and exits.
--fifteen--sixteen
Sets the puzzle game launched.
The option --fifteen is for a classical 15-Puzzle, whereas the --sixteen option is for a more
contemporary puzzle.
You should only use one of these options at the same time.
-s,--size=<size>
Sets the puzzle edges' size.
The game is intended to be played in size 3 to 5.
It accepts value from 2 to 9; 2 is for debug only, whereas 6 or more sizes are just not verified
working.
--mute--unmute
Turn off/on the sound.
If the two options are given, the game is muted.
-v,--version
Prints the program version and exits.
This program also accepts the standard GTK+ options.