L'Abbaye des Morts is a 2D platform game set in 13th century France. The Cathars, who preach about good Christian beliefs, were being expelled by the Catholic Church out of the Languedoc region in France. One of them, called Jean Raymond, found an old church in which to hide, not knowing that beneath its ruins lay buried an ancient evil.

Badass generates false commits for a range of dates, essentially hacking the gamification of contribution graphs on platforms such as Github or Gitlab.

GNU Typist is a universal typing tutor. It can be used to learn and practice touch-typing. Several tutorials are included; in addition to tutorials for the standard QWERTY layout, there are also tutorials for the alternative layouts Dvorak and Colemak, as well as for the numpad. Tutorials are primarily in English, however some in other languages are provided.

NetHack is a single player dungeon exploration game that runs on a wide variety of computer systems, with a variety of graphical and text interfaces all using the same game engine. Unlike many other Dungeons & Dragons-inspired games, the emphasis in NetHack is on discovering the detail of the dungeon and not simply killing everything in sight - in fact, killing everything in sight is a good way to die quickly. Each game presents a different landscape - the random number generator provides an essentially unlimited number of variations of the dungeon and its denizens to be discovered by the player in one of a number of characters: you can pick your race, your role, and your gender.

The Butterfly Effect (tbe) is a game that uses realistic physics simulations to combine lots of simple mechanical elements to achieve a simple goal in the most complex way possible.

Seven Kingdoms, designed by Trevor Chan, brings a blend of Real-Time Strategy with the addition of trade, diplomacy, and espionage. The game enables players to compete against up to six other kingdoms allowing players to conquer opponents by defeating them in war (with troops or machines), capturing their buildings with spies, or offering opponents money for their kingdom.

Abe's Amazing Adventure is a scrolling, platform-jumping, key-collecting, ancient pyramid exploring game, vaguely in the style of similar games for the Commodore+4.

A graphical user interface for the package gnushogi.

ZMusic is a standalone library implementing the music system for UZDoom and other Doom-related projects.

Space is a vast area, an unbounded territory where it seems there is a room for everybody, but reversal of fortune put things differently. The hordes of hostile creatures crawled out from the dark corners of the universe, craving to conquer your homeland. Their force is compelling, their legions are interminable. However, humans didn't give up without a final showdown and put their best pilot to fight back. These malicious invaders chose the wrong galaxy to conquer and you are to prove it! Go ahead and make alien aggressors regret their insolence.

The Irrlicht Engine is a high performance realtime 3D engine written in C++. Features include an OpenGL renderer, extensible materials, scene graph management, character animation, particle and other special effects, support for common mesh file formats, and collision detection.

Extreme Tux Racer, or etracer as it is called for short, is a simple OpenGL racing game featuring Tux, the Linux mascot. The goal of the game is to slide down a snow- and ice-covered mountain as quickly as possible, avoiding the trees and rocks that will slow you down.

Collect herrings and other goodies while sliding down the hill, but avoid fish bones.

This game is based on the GPL version of the famous game TuxRacer.

Boohu is a roguelike game mainly inspired from DCSS and its tavern, with some ideas from Brogue, but aiming for very short games, almost no character building, and a simplified inventory.

Every year, the elders send someone to collect medicinal simella plants in the Underground. This year, the honor fell upon you, and so here you are. According to the elders, deep in the Underground, a magical monolith will lead you back to your village. Along the way, you will collect simellas, as well as various items that will help you deal with monsters, which you may fight or flee…

Quakespasm is a modern engine for id software's Quake 1. It includes support for 64 bit CPUs, custom music playback, a new sound driver, some graphical niceities, and numerous bug-fixes and other improvements.

UltraStar Deluxe (USDX) is a karaoke game. It allows up to six players to sing along with music using microphones in order to score points, depending on the pitch of the voice and the rhythm of singing.

Yamagi Quake II is an enhanced client for id Software's Quake II. The main focus is an unchanged single player experience like back in 1997, thus the gameplay and the graphics are unaltered. However the user may use one of the unofficial retexturing packs. In comparison with the official client, over 1000 bugs were fixed and an extensive code audit done, making Yamagi Quake II one of the most solid Quake II implementations available.

Gamine is a game designed for young children who are learning to use the mouse and keyboard. The child uses the mouse to draw colored dots and lines on the screen and keyboard to display letters.

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.

Anarch is a small, completely public domain, 90s-style Doom clone shooter game.

FooBillard++ is an advanced 3D OpenGL billiard game based on the original foobillard 3.0a sources from Florian Berger. You can play it with one or two players or against the computer.

The game features:

• Wood paneled table with gold covers and gold diamonds.

• Reflections on balls.

• Zoom in and out, rotation, different angles and bird's eye view.

• Different game modes: 8 or 9-ball, Snooker or Carambole.

• Tournaments. Compete against other players.

• Animated cue with strength and eccentric hit adjustment.

• Jump shots and snipping.

• Realistic gameplay and billiard sounds.

• Red-Green stereo.

• And much more.

evtest-qt is a simple joystick tester for devices using the evdev generic input event interface. It provides a list of attached joysticks and displays which buttons and axis are pressed.

Engine for Caesar III, a city-building real-time strategy game. Julius includes some UI enhancements while preserving the logic (including bugs) of the original game, so that saved games are compatible. This package does not include game data.

Cataclysm: Dark Days Ahead (or "DDA" for short) is a roguelike set in a post-apocalyptic world. Struggle to survive in a harsh, persistent, procedurally generated world. Scavenge the remnants of a dead civilization for food, equipment, or, if you are lucky, a vehicle with a full tank of gas to get you out of Dodge. Fight to defeat or escape from a wide variety of powerful monstrosities, from zombies to giant insects to killer robots and things far stranger and deadlier, and against the others like yourself, that want what you have.

OpenRiichi is a client for playing Japanese Mahjong, and it supports singleplayer and multiplayer, with or without bots. It features all the standard riichi rules, as well as some optional ones. It also supports game logging, so games can be viewed again.