Trackballs is a simple game similar to the classic Amiga game Marble Madness. By steering a marble ball through a labyrinth filled with vicious hammers, pools of acid and other obstacles the player collects points. When the ball reaches the destination it continues at the next, more difficult level - unless the time runs out.

Odamex is a modification of the Doom engine that allows players to easily join servers dedicated to playing Doom online.

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.

Lugaru is a third-person action game. The main character, Turner, is an anthropomorphic rebel bunny rabbit with impressive combat skills. In his quest to find those responsible for slaughtering his village, he uncovers a far-reaching conspiracy involving the corrupt leaders of the rabbit republic and the starving wolves from a nearby den. Turner takes it upon himself to fight against their plot and save his fellow rabbits from slavery.

Tetrinet is a multiplayer Tetris-like game with powerups and attacks you can use on opponents.

Libmanette is a small GObject library giving you simple access to game controllers. It supports the de-facto standard gamepads as defined by the W3C standard Gamepad specification or as implemented by the SDL GameController.

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

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.

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.

This program generates bridge hands. It can be told to generate only hands satisfying conditions like being balanced, having a range of High Cards Points (HCP), controls, or other user-definable properties. Hands can be output in various formats, like PBN for feeding to other bridge programs, Deal itself, or split up into a file per player for practise.

POWWOW is a client software which can be used for telnet as well as for Multi-User Dungeon (MUD). Additionally it can serve as a nice client for the chat server psyced with the specific config located at http://lavachat.symlynx.com/unix/

Slime Volley is a 2D arcade-oriented volleyball simulation, in the spirit of some Java games of the same name.

Two teams, 1-3 players each, try to be the first to get 10 points. This happens when the one ball touches the floor on the other side of the net. There can be 1 to 8 balls in game. Once one ball touches the ground, the set ends and all balls are served again.

Driver and configuration tool for game controllers such as the Steam Controller, Steam Deck, and Dual Shock 4. Install the included udev rules to solve permissions issues.

0ad-data provides the data files required by the game 0ad.

With PokerTH you can play the Texas holdem poker game, either against computer opponents or against real players online.

DFArc makes it easy to play and manage the GNU FreeDink game and its numerous D-Mods.

The Battle for Wesnoth is a fantasy, turn based tactical strategy game, with several single player campaigns, and multiplayer games (both networked and local).

Battle for control on a range of maps, using variety of units which have advantages and disadvantages against different types of attacks. Units gain experience and advance levels, and are carried over from one scenario to the next campaign.

Superfluous Returnz is a 2D puzzle game set in a colourful cartoon universe. It takes place in the very quiet French village of Fochougny, an open world where players solve puzzles, find secret codes and talk to the village people to solve the mystery of the apple thief. The game is licensed as Free Software and asks for a financial donation through the game site.

Blobwars: Metal Blob Solid is a 2D platform game, the first in the Blobwars series. You take on the role of a fearless Blob agent. Your mission is to infiltrate various enemy bases and rescue as many MIAs as possible, while battling many vicious aliens.

FreeOrion is a turn-based space empire and galactic conquest (4X) computer game being designed and built by the FreeOrion project. Control an empire with the goal of exploring the galaxy, expanding your territory, exploiting the resources, and exterminating rival alien empires. FreeOrion is inspired by the tradition of the Master of Orion games, but is not a clone or remake of that series or any other game.

GNOME Chess provides a 2D board for playing chess games against human or computer players. It supports loading and saving games in Portable Game Notation. To play against a computer, install a chess engine such as chess or stockfish.

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 original Colossal Cave Adventure from 1976 was the origin of all text adventures, dungeon-crawl (computer) games, and computer-hosted roleplaying games. This is a forward port of the last version released by Crowther & Woods, its original authors, in 1995. It has been known as ``adventure 2.5'' and ``430-point adventure''.

Solarus is a 2D game engine written in C++, that can run games scripted in Lua. It has been designed with 16-bit classic Action-RPGs in mind.