Bambam is a simple baby keyboard (and gamepad) masher application that locks the keyboard and mouse and instead displays bright colors, pictures, and sounds.

The GNU Talk Filters are programs that convert English text into stereotyped or otherwise humorous dialects. The filters are provided as a C library, so they can easily be integrated into other programs.

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

Crispy Doom is a friendly fork of Chocolate Doom that provides a higher display resolution, removes the static limits of the Doom engine and offers further optional visual, tactical and physical enhancements while remaining entirely config file, savegame, netplay and demo compatible with the original.

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 Emilia Pinball Project is a pinball simulator. There are only two levels to play with, but they are very addictive.

In Widelands, you are the regent of a small clan. You start out with nothing but your headquarters, where all your resources are stored.

In the course of the game, you will build an ever growing settlement. Every member of your clan will do his or her part to produce more resources---wood, food, iron, gold and more---to further this growth. The economic network is complex and different in the five tribes (Barbarians, Empire, Atlanteans, Frisians and Amazons).

As you are not alone in the world, you will meet other clans sooner or later. Some of them may be friendly and you may eventually trade with them. However, if you want to rule the world, you will have to train soldiers and fight.

Widelands offers single-player mode with different campaigns; the campaigns all tell stories of tribes and their struggle in the Widelands universe! However, settling really starts when you unite with friends over the Internet or LAN to build up new empires together---or to crush each other in the dusts of war. Widelands also offers an Artificial Intelligence to challenge you.

Open Surge is a 2D retro side-scrolling platformer inspired by the Sonic games. The player runs at high speeds through each level while collecting items and avoiding obstacles. The game includes a built-in level editor.

Hedgewars is a turn based strategy, artillery, action and comedy game, featuring the antics of pink hedgehogs with attitude as they battle from the depths of hell to the depths of space.

As commander, it's your job to assemble your crack team of hedgehog soldiers and bring the war to your enemy.

Chroma is an abstract puzzle game. A variety of colourful shapes are arranged in a series of increasingly complex patterns, forming fiendish traps that must be disarmed and mysterious puzzles that must be manipulated in order to give up their subtle secrets. Initially so straightforward that anyone can pick it up and begin to play, yet gradually becoming difficult enough to tax even the brightest of minds.

GNUbik is a puzzle game in which you must manipulate a cube to make each of its faces have a uniform color. The game is customizable, allowing you to set the size of the cube (the default is 3x3) or to change the colors. You may even apply photos to the faces instead of colors. The game is scriptable with Guile.

apricots is a game where you fly a little plane around the screen and shoot things and drop bombs on enemy targets. It's meant to be quick and fun.

GNU Go is a program that plays the game of Go, in which players place stones on a grid to form territory or capture other stones. While it can be played directly from the terminal, rendered in ASCII characters, it is also possible to play GNU Go with 3rd party graphical interfaces or even in Emacs. It supports the standard game storage format (SGF, Smart Game Format) and inter-process communication format (GMP, Go Modem Protocol).

FIFE is a multi-platform isometric game engine. Python bindings are included allowing users to create games using Python as well as C++.

This package provides a work-in-progress game where you control a Viking and your objective is to loot all of the occupied hexagonal tiles in the map.

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.

Golly simulates Conway's Game of Life and many other types of cellular automata. The following features are available:

1. Support for bounded and unbounded universes, with cells of up to 256 states.

2. Support for multiple algorithms, including Bill Gosper's Hashlife algorithm.

3. Loading patterns from BMP, PNG, GIF and TIFF image files.

4. Reading RLE, macrocell, Life 1.05/1.06, dblife and MCell files.

5. Scriptable via Lua or Python.

6. Extracting patterns, rules and scripts from zip files.

7. Downloading patterns, rules and scripts from online archives.

8. Pasting patterns from the clipboard.

9. Unlimited undo/redo.

10. Configurable keyboard shortcuts.

11. Auto fit option to keep patterns within the view.

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.

Xonotic is a free, fast-paced first-person shooter. The project is geared towards providing addictive arena shooter gameplay which is all spawned and driven by the community itself. Xonotic is a direct successor of the Nexuiz project with years of development between them, and it aims to become the best possible open-source FPS of its kind.

This is an open-source port of the Serious Engine from Serious Sam: The First Encounter and Serious Sam: The Second Encounter. This variant includes a Vulkan renderer. To run, you must put your official game data, Levels and Help in ~/.local/share/Serious-Engine/serioussam,serioussamse/gamedata/.

Flare is a single-player 2D action RPG with fast-paced action and a dark fantasy style.

GNOME 2048 provides a 2D grid for playing 2048, a single-player sliding tile puzzle game. The objective of the game is to merge together adjacent tiles of the same number until the sum of 2048 is achieved in one tile.

X-Moto is a challenging 2D motocross platform game, where physics play an all important role in the gameplay. You need to control your bike to its limit, if you want to have a chance finishing the more difficult challenges.

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.