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Library and user interfaces for (m,n,k)+g?-games.

Project description

mnkgame - Library and user interfaces for (m,n,k)+g?-games.


This software provides a library and user interfaces for (m,n,k)-games, including optional gravity and simple search-tree algorithms.

The (m,n,k)-game family of games are played in a rectangular grid of size m x n (where m is the number of rows and n is the number of columns). Each player position a piece (typically X and O) on the grid in alternating turns until one of the player manages to align k pieces either horizontally, vertically or diagonally. The first player to achieve this wins the game.

A variant of this game, called gravity, is when the pieces cannot be put anywhere in the grid but must fall toward the lower horizontal edge of the grid, so that each piece must be placed either at such edge or on top of another piece.

Popular such games are:

The following user interfaces are provided:

  • a Command-Line Interface (CLI) - with optional coloring from blessed / blessings.
  • a Text User Interface (TUI) - planned to be implemented with asciimatics.
  • a Graphical User Interface (GUI) - implemented with tkinter.

For a more comprehensive list of changes see CHANGELOG.rst (automatically generated from the version control system).

Quick Start

Once installed on a properly set-up system, running the software is as simple as typing:

$ mnk-game

which will default to the best user interface (UI) the system can handle.

To specify a certain UI, just use the first positional argument, e.g. for the CLI:

$ mnk-game cli

To get information on the command-line option, just type:

$ mnk-game --help

which produces:

usage: [-h] [--ver] [-v] [-q] [-m N] [-n N] [-k N] [-g] [-a MODE]
                   [-t X] [-c]

(m,n,k)-game: command-line interface.

positional arguments:
  USER_INTERFACE        select the user interfact [auto|(auto, gui, tui, cli)]

optional arguments:
  -h, --help            show this help message and exit
  --ver, --version      show program's version number and exit
  -v, --verbose         increase the level of verbosity [1]
  -q, --quiet           override verbosity settings to suppress output [False]
  -m N, --rows N        number of rows for the board [3]
  -n N, --cols N        number of cols for the board [3]
  -k N, --aligned N     number of aligned pieces required for winning [3]
  -g, --gravity         use gravitataion-rule variant [False]
  -a MODE, --ai_mode MODE
                        AI mode [alphabeta_jit|(alphabeta_jit, alphabeta,
                        negamax, pvs, alphabeta_hashing, random)]
  -t X, --ai_time_limit X
                        time limit for AI move in sec [4.0]
  -c, --computer_plays  computer plays first move of first game [False]

v. - Riccardo Metere <>
License: GNU General Public License version 3 (GPLv3)


The recommended way of installing the software is through PyPI:

$ pip install mnkgame

Alternatively, you can clone the source repository from GitHub:

$ git clone
$ cd mnkgame
$ pip install -e .


This work is licensed through the terms and conditions of the GPLv3+. See the accompanying LICENSE.rst for more details.


This software is a spin-off of a Python course held in 2018 at the Donders Institute, part of the Radboud University Nijmegen (neither of which is involved or in any way affiliated with this).

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