Various games.




dev-games/OpenSceneGraph High performance 3D graphics toolkit
dev-games/cegui Crazy Eddie's video games GUI library
dev-games/grfcodec OpenTTD GRF development tools
dev-games/libggz A library wrapping many common low-level functions which are often used in C programming
dev-games/mygui A library for creating GUIs for games
dev-games/nml NewGRF Meta Language
dev-games/ois Object Oriented Input System
dev-games/physfs A portable, flexible file i/o abstraction library for video games
dev-games/recastnavigation Navigation-mesh Toolset for Games
dev-libs/Box2D A 2D Physics Engine for Games
dev-libs/angelscript A flexible, cross-platform scripting library
dev-libs/ogre OGRE (Object-Oriented Graphics Rendering Engine)
dev-libs/rinutils C11/gnu11 utilities C library
distribution/steam Valve Steam Client Installer
games/endless-sky A 2D space trading and combat game similar to the Escape Velocity series
games/endless-sky-high-dpi A collection of double-resolution sprites for Endless Sky
games/naev A game about space exploration, trade and combat
games-action/openclonk A free multiplayer action game where you control clonks
games-action/supertuxkart SuperTuxKart is a Free 3D kart racing game
games-adventure/scummvm Engine for running various old adventure games
games-arcade/KoboDeluxe An SDL port of xkobo, a addictive space shoot-em-up
games-arcade/OpenTyrian A rewrite of the scrolling shooter by Epic MegaGames, originally for DOS
games-arcade/open-syobon FOSS version of Syobon Action
games-board/ChessDB Free chess database
games-board/black-hole-solver An solver for the solitaire games Golf, Black Hole, and All in a Row
games-board/cgoban Go board for X11
games-board/freecell-solver A program that automatically solves layouts of Freecell and similar variants
games-board/gnubg GNU Backgammon
games-board/gnuchess GNU Chess is a terminal-based chess program
games-board/gnuchess-book Gnuchess opening book
games-board/gnugo Free program that plays the game of Go
games-board/jerry Jerry the Chess Program
games-board/mj mj is a networked Mahjong program for Linux
games-board/pychess Chess client for Gnome
games-board/scoutfish Chess Query Engine
games-board/stockfish Powerful open source chess engine
games-board/xboard GUI for gnuchess and for internet chess servers
games-board/xmahjongg Solitaire Mah-Jongg
games-emulation/mame Multiple Arcade Machine Emulator
games-engines/openmw An open source reimplementation of TES III: Morrowind
games-fps/ioquake3 Free software (GPLv2+) first person shooter engine, used to play Quake 3: Arena and others
games-fps/ioquake3-cpma Challenge ProMode Arena mod for Quake 3: Arena
games-fps/nexuiz Nexuiz is a 3D deathmatch game
games-misc/cowsay Configurable speaking/thinking cow
games-misc/minecraft-launcher Official Minecraft Launcher
games-physics/OpenGOO Free clone of World Of Goo
games-puzzle/2048-qt A clone of 2048, implemented in Qt
games-roguelike/dungeon-crawl-stone-soup Single-player, role-playing roguelike game
games-roguelike/nethack Classic single-player dungeon exploration game
games-rpg/exult A project to recreate Ultima 7 for modern operating systems using the original game data
games-rpg/freedroidrpg FreedroidPRG is a mature science fiction role playing game set in the future
games-rpg/gemrb A portable open-source implementation of Bioware's Infinity Engine
games-simulation/CorsixTH Open source clone of Theme Hospital
games-simulation/fs2_open FreeSpace2 Source Code Project
games-simulation/lincity-ng A city simulation game
games-simulation/openttd An open source clone of Transport Tycoon Deluxe
games-simulation/openttd-opengfx 8bpp Graphics Base Set for OpenTTD
games-simulation/the-powder-toy Falling sand physics sandbox, simulating air pressure, velocity, heat, and other interactions
games-strategy/0ad A free, open-source game of ancient warfare
games-strategy/OpenXcom OpenXcom is an open-source clone of the popular UFO: Enemy Unknown
games-strategy/Scorched3D A modernization of the classic DOS game Scorched Earth, 'The Mother Of All Games', on which it is based
games-strategy/StarRuler2 4X Space Strategy game Star Ruler 2
games-strategy/crimson A tactical war game in the tradition of Battle Isle
games-strategy/freeciv An empire-building strategy game inspired by the history of human civilization
games-strategy/lordsawar A free Warlords II clone
games-strategy/spring A powerful free RTS engine
games-strategy/springlobby A free cross-platform lobby client for the Spring RTS project
games-strategy/wesnoth The Battle for Wesnoth is a turn-based strategy game with a fantasy theme
games-strategy/widelands Widelands is an real-time strategy game similar to the Settlers II
games-util/gamescope SteamOS session compositing window manager
games-util/heroic Open Source Game Launcher
games-util/lutris Video game preservation platform
net-libs/enet A relatively thin, simple and robust network communication layer on top of UDP
sys-apps/gamemode Daemon and library that allows games to request optimisations to be temporarily applied