Unix games

1989 video game

1980 video game

chess-playing program for playing chess against the computer on a terminal or, more commonly, as a chess engine for graphical chess front-ends

Lincity is a free and open-source construction and management simulation game, which puts the player in control of managing a city's socio-economy, similar in concept to SimCity. The player can develop a city by buying appropriate buildings, services and infrastructure. Its name is both a Linux reference and a play on the title of the original city-building game, SimCity, and it was released under the GNU General Public License v2.

2004 video game

1969 mainframe video game

1990 match-three puzzle video game

thumb|254px|Four tribes in Widelands Build 20 thumb|254px|Screenshot of a game taken in 2008 thumb|254px|Screenshot of the "Dolomites" map in Widelands Build 19

free Rogue-like video game

XBill is an arcade style game for the X Window System. The game features a bespectacled character known as "Bill" (a spoof of Bill Gates). The goal is to prevent Bill's legions of clones, referred to as "micro-Bills", from installing "Wingdows", a virus "cleverly designed to resemble a popular operating system" (a parody of Windows), on a variety of computers running other operating systems. It was popular among Linux gamers at the end of the 1990s, selected as Linux Journal reader's second favourite Linux game in 1999.

2001 video game

TetriNET is a multiplayer online Tetris game for up to six people that supports team play.

thumb|upright=1.3|SameGame for Mac, by Takahiro Sumiya is a tile-matching puzzle video game originally released under the name CHAIN SHOT in 1985 by Kuniaki "Morisuke" Moribe. It has since been ported to numerous computer platforms, handheld devices, and even TiVo, with new versions as of 2016.

Vangers (Вангеры, also known as Vangers: One for the Road) is a racing role-playing video game developed by K-D Lab, a Russian company. It was released in North America in June 29, 1998 after receiving positive responses at that year's E3. An updated re-release was made available on Steam and GOG.com in 2014. The re-release includes support for Mac OS X and Linux.

1984 roguelike video game

XPilot is a multiplayer video game. It is open source and runs on many platforms. Although its 2D graphics have improved over time, they still resemble the style of Thrust. Gameplay includes Capture the Flag, base defense, racing and deathmatches. XPilot uses a client–server architecture, in which a central metaserver receives information from all XPilot servers on the Internet.

Netrek is an Internet game for up to 16 players, written almost entirely in cross-platform open-source code. It combines features of multi-directional shooters (such as Asteroids) and team-based real-time strategy games. Players attempt to disable or destroy their opponents' ships in real-time combat, while taking over enemy planets by bombing them and dropping off armies they pick up on friendly planets. The goal of the game is to capture all the opposing team's planets.

turn-based computer game