Chocolate Doom takes a different approach to other source ports. Its aim is to accurately reproduce the experience of playing Vanilla Doom. It is a conservative, historically accurate Doom source port, which is compatible with the thousands of mods and levels that were made before the Doom source code was released. Rather than flashy new graphics, Chocolate Doom's main features are its accurate reproduction of the game as it was played in the 1990s. The project is developed around a carefully-considered philosophy that intentionally restricts which features may be added (and rejects any that affect gameplay).

The GNU backgammon application (also known as "gnubg") can be used for playing, analyzing and teaching the game. It has an advanced evaluation engine based on artificial neural networks suitable for both beginners and advanced players. In addition to a command-line interface, it also features an attractive, 3D representation of the playing board.

Morris is an implementation of the board game Nine Men's Morris. It supports not only the standard game, but also several rule-variants and different board layouts. You can play against the computer, or simply use the program to present the board, but play against another human opponent.

This package provides ``Rogue: Exploring the Dungeons of Doom'', the original rogue game found on 4.2BSD.

ChessX is a chess database. With ChessX you can operate on your collection of chess games in many ways: browse, edit, add, organize, analyze, etc. You can also play games on FICS or against an engine.

Marble Marcher is a video game that uses a fractal physics engine and fully procedural rendering to produce beautiful and unique gameplay. The game is played on the surface of evolving fractals. The goal of the game is to get your marble to the flag as quickly as possible. But be careful not to fall off the level or get crushed by the fractal! There are 24 levels to unlock.

Tux Paint Config is a graphical configuration editor for Tux Paint.

Battle Tanks (also known as "btanks") is a funny battle game, where you can choose one of three vehicles and eliminate your enemy using the whole arsenal of weapons. It has original cartoon-like graphics and cool music, it’s fun and dynamic, it has several network modes for deathmatch and cooperative.

JGRPP is a collection of features and other modifications applied to OpenTTD. It's a separate version of the game which can be installed and played alongside the standard game, not a loadable mod (NewGRF, script, or so on).

This is mainly intended to be used by players who are already familiar with the standard game and how to play it. It is not aimed at beginner/novice players. Some features and settings are there for very experienced players and so may have a steep learning curve.

FreeRCT is a game that captures the look and feel of the popular games RollerCoaster Tycoon 1 and 2, graphics- and gameplay-wise.

In this game, you play as a manager of a theme park, allowing you to make a park of your dreams. The list of responsibilities includes managing staff, finances, landscaping, and most importantly: rides. Good managers follow the principle of prioritizing the guests' happiness with a well-maintained park. Should they go unwise, a theme park plunge into chaos with vandalizing guests and unsafe rides. Which path will you take?

SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super Mario games.

Tales of Maj’Eyal (ToME) RPG, featuring tactical turn-based combat and advanced character building. Play as one of many unique races and classes in the lore-filled world of Eyal, exploring random dungeons, facing challenging battles, and developing characters with your own tailored mix of abilities and powers.

The goal of the FlightGear project is to create a sophisticated flight simulator framework for use in research or academic environments, pilot training, as an industry engineering tool, for DIY-ers to pursue their favorite interesting flight simulation idea, and last but certainly not least as a fun, realistic, and challenging desktop flight simulator.

Dr. Robotnik's Ring Racers is a kart racing game drawing inspiration from ``anti-gravity'' racers, fighting games, and traditional-style kart racing. Ring Racers is designed with an emphasis on player agency in the face of highly technical game-play challenges in both single-player and online multiplayer modes.

Red Eclipse is an arena shooter, created from the Cube2 engine. Offering an innovative parkour system and distinct but all potent weapons, Red Eclipse provides fast paced and accessible gameplay.

OpenTTD is a game in which you transport goods and passengers by land, water and air. It is a re-implementation of Transport Tycoon Deluxe with many enhancements including multiplayer mode, internationalization support, conditional orders and the ability to clone, autoreplace and autoupdate vehicles. This package only includes the game engine. When you start it you will be prompted to download a graphics set.

GNU XBoard is a graphical board for all varieties of chess, including international chess, xiangqi (Chinese chess), shogi (Japanese chess) and Makruk. Several lesser-known variants are also supported. It presents a fully interactive graphical interface and it can load and save games in the Portable Game Notation.

GNU FreeDink is a free and portable re-implementation of the engine for the role-playing game Dink Smallwood. It supports not only the original game data files but it also supports user-produced game mods or "D-Mods". To that extent, it also includes a front-end for managing all of your D-Mods.

Doom Runner is yet another launcher of common Doom source ports (e.g. GZDoom, Zandronum, PrBoom) with a graphical user interface. It is written in C++ and Qt, and it is designed around the idea of presets for various multi-file modifications to allow one-click switching between them.

GNU Shogi is a program that plays the game Shogi (Japanese Chess). It is similar to standard chess but this variant is far more complicated.

Curse of War is a fast-paced action strategy game originally implemented using ncurses user interface. An SDL graphical version is also available.

RogueBox Adventures is a graphical roguelike with strong influences from sandbox games like Minecraft or Terraria. The main idea of RogueBox Adventures is to offer the player a kind of roguelike toy-world. This world can be explored and changed freely.

This package provides a set of udev rules for game controllers and virtual reality devices.

Fizmo is a console-based Z-machine interpreter. It is used to play interactive fiction, also known as text adventures, which were implemented either by Infocom or created using the Inform compiler.