StepMania is a dance and rhythm game. It features 3D graphics, keyboard and dance pad support, and an editor for creating your own steps.

This package provides the core application, but no song is shipped. You need to download and install them in $HOME/.stepmania-X.Y/Songs directory.

Moonlight is an implementation of NVIDIA's GameStream, as used by the NVIDIA Shield.

moonfish is a toy UCI chess engine written in C. It has TUI/CLI tools for using any UCI engine and also to connect UCI engines to Lichess and IRC.

Grue Hunter is a text adventure game written in Perl. You must make your way through an underground cave system in search of the Grue. Can you capture it and get out alive?

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.

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

OpenQuest is a two room adventure game that follows two aliens who come to Earth in search of a stolen artifact.

This package provides a reimplementation of the 1997 Bullfrog business simulation game Theme Hospital. As well as faithfully recreating the original engine, CorsixTH adds support for high resolutions, custom levels and more. This package does not provide the game assets.

ReTux is an action platformer loosely inspired by the Mario games, utilizing the art assets from the SuperTux project.

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

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.

This package contains the assets for the Vdrift racing game.

NetPanzer is an online multiplayer tactical warfare game. It is based on quick tactical action and unit management in real-time. Battles progress constantly as destroyed players respawn with a set of new units. Players can join or leave multiplayer games at any time.

Provides a large set of Go-related services for X11:

• Local games with precise implementation of the Chinese and Japanese rulesets

• Edition and visualization of SGF files

• Connection to the NNGS or IGS Go servers

• Bridge to Go modem protocol, allowing to play against Go modem-capable AIs such as GnuGo.

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.

M.A.R.S. is a 2D space shooter with pretty visual effects and attractive physics. Players can battle each other or computer controlled enemies in different game modes such as space ball, death match, team death match, cannon keep, and grave-itation pit.

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.

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.

You are a robot moving around in a realm filled with ASCII characters. Examine humorously described though useless items as you search for a kitten among them. The theme of this Zen simulation is continued in its documentation.

The asciiquarium package renders a fullscreen animation of an aquarium with various fish in the terminal, which can make for a nice screensaver.

PipeWalker is a simple puzzle game with many different themes: connect all computers to one network server, bring water from a source to the taps, etc. The underlying mechanism is always the same: you must turn each tile in the grid in the right direction to combine all components into a single circuit. Every puzzle has a complete solution, although there may be more than one.

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

Solarus Quest Editor is a graphical user interface to create and modify quests for the Solarus engine.

These are the BSD games.

Action: atc (keep the airplanes safe), hack (explore the dangerous Dungeon), hunt (kill the others for the Pair of Boots, multi-player only), robots (avoid the evil robots), sail (game of naval warfare with wooden ships), snake (steal the $$ from the cave, anger the snake, and get out alive), tetris (game of lining up the falling bricks of different shapes), and worm (eat, grow big, and neither bite your tail, nor ram the wall).

Amusements: banner (prints a large banner), bcd & morse & ppt (print a punch card, or paper tape, or Morse codes), caesar & rot13 (ciphers and deciphers the input), factor (factorizes a number), number (translates numbers into text), pig (translates from English to Pig Latin), pom (should print the Moon's phase), primes (generates primes), rain & worms (plays an screen-saver in terminal), random (prints randomly chosen lines from files, or returns a random exit-code), and wtf (explains what do some acronyms mean).

Board: backgammon (lead the men out of board faster than the friend do), boggle (find the words in the square of letters), dab (game of dots and boxes), gomoku (game of five in a row), hangman (guess a word before man is hanged), and monop (game of monopoly, hot-seat only). Also the card-games: canfield, cribbage, fish (juniors game), and mille.

Quests: adventure (search for treasures with the help of wizard), battlestar (explore the world around, starting from dying spaceship), phantasia (role-play as an rogue), trek (hunt the Klingons, and save the Federation), and wump (hunt the big smelly Wumpus in a dark cave).

Quizzes: arithmetic and quiz.