A free transportation simulator game
Simutrans is a cross-platform simulation game where players try to successfully manage transportation systems between places by land, air, and water for passengers, mail, and goods. Planes, ships, trains, trams, trucks, buses, or monorails are at your disposal, but factories operate based on contracts and passengers can only travel to their set destinations.
A strategy game with a high fantasy theme
The Battle for Wesnoth is a Free, turn-based tactical strategy game with a high fantasy theme, featuring both single-player, and online/hotseat multiplayer combat. Fight a desperate battle to reclaim the throne of Wesnoth, or take hand in any number of other adventures.
RTS game with the theme of Strategy by Design
You command the forces of “The Project” in a battle to rebuild the world after mankind has almost been destroyed by nuclear missiles. The game offers a full campaign with optional (but strongly recommended!), videos, battle against four factions, multi-player and single-player skirmish modes, and an extensive tech tree and a full unit designer. Multi-player is also cross-platform, battle your friends with any OS, Windows, Linux or Mac, it all works seamlessly! We also offer 100% portable Windows builds, take the game and install it anywhere! Our source repo is now at https://github.com/Warzone2100/warzone2100 If you are using linux, and want a .deb, then please get the latest version available from http://www.playdeb.net/app/Warzone2100 (They are not affliated with us, but they do have the latest builds!) Warzone 2100 works on both 32 & 64 bit Windows Vista or higher, 32 or 64 bit Linux, 32 or 64 bit Macs.
3D game engine (more powerful redesign of the Cube engine) and FPS game
PokerTH is a poker game written in C++/Qt. You can play the popular Texas Hold'em poker variant against up to nine computer-opponents or play internet games with people all over the world. This poker engine is available for Linux, Windows and Mac
A full featured cross-platform image library
Developer's Image Library (DevIL) is a cross-platform image library utilizing a simple syntax to load, save, convert, manipulate, filter and display a variety of images with ease.
0 A.D. is a free, open-source, cross-platform real-time strategy game.
0 A.D. (pronounced "zero ey-dee") is a cross-platform real-time strategy (RTS) game of ancient warfare. It's a historically-based war/economy game that allows players to relive or rewrite the history of ancient civilizations, each depicted at their peak of economic growth and military prowess.
Official continuation of the famous Blobby Volley 1.x arcade game.
A Graphical Developement Environment based on a Basic Interpreter with object extensions.
This project is a fork of the original Nestopia source code, plus the Linux port. The purpose of the project is to enhance the original, and ensure it continues to work on modern operating systems.
reacTIVision is a computer vision framework for the fast and robust tracking of markers attached on physical objects, and the creation of multi-touch surfaces. It was designed for the rapid development of table-based tangible user interfaces.
OpenLierox is an extremely addictive realtime worms shoot-em-up backed by an active gamers community. Dozens of levels and mods are available to provide endless gaming pleasure.
GLScene is an OpenGL based 3D library for Delphi, C++Builder and Lazarus. It provides visual components and objects allowing description and rendering of 3D scenes in graphic applications.
This is one of the most popular Doom source ports. It is available for DOS, Windows, Linux and Mac OS X, and should build on any POSIX platform which supports SDL. It enhances Doom with things like TCP/IP networking, OpenGL renderer, Heretic support and much more.
Updated clone of Westood Studios' Dune2 which uses data files from the original game. New features include multiple unit selection/control, high resolution support, multiplayer gaming, improved gui.
A classic Bomberman game with multiplayer support, cloned on original SNES games. Also similar to Dynablaster. Developed in C++. Runs on Win32 and Linux.
A Jump and Run game like Super Mario World with an advanced Editor and highly detailed Graphics based on SDL with a OpenGL accelerated Graphics Renderer developed in C++. Runs under Linux, Windows and Mac and can be easily ported to other platforms.
AssaultCube is a FREE, multiplayer, first-person shooter game.
ASSAULTCUBE HAS MOVED TO GITHUB: http://www.github.com/assaultcube AssaultCube is a FREE, multiplayer, first-person shooter game, based on the CUBE engine. Taking place in realistic environments, with fast, arcade gameplay, it's addictive and fun! With efficient bandwidth usage, it's low-latency and can even run over a 56Kbps connection. It's tiny too, weighing in at a lightweight 40 MB package available for Windows, Mac and Linux. On the correct settings, it can even run on old hardware (Pentium III and above). More about AssaultCube @ http://assault.cubers.net
Speed Dreams is a Motorsport Simulator featuring high-quality 3D graphics and an accurate physics engine, all targeting maximum realism. Initially forked from TORCS, it has now reached a clearly higher realism level in visual and physics simulation, thanks to its active development team and growing community. It mainly aims to implement exciting new features, cars, tracks and AI opponents to make a more enjoyable game for the player, while constantly pushing forward visual and physics realism. It is also intended for any research, study or teaching activity, around physics and AI, thanks to its GPL V2+ license, and the clear and modular architecture of its C/C++ code base.
A free racing simulator with excellent physics and graphics.
Remake of the classic Caesar III game
CaesarIA is an open source remake of Caesar III game released by Impressions Games in 1998, it aims to expand the possibilities of the classical city-building simulators and to add new features showing the city life. Now the game work with Windows, Linux, Mac, Haiku and Android. The original Caesar3 game is needed to play openCaesar3. We start crowdfunding campaign for renew graphic set at www.igg.me/at/caesaria-game. Help us set new stage in good old Caesar.
GemRB is a portable open-source implementation of the Infinity Engine
GemRB (Game engine made with pre-Rendered Background) is a portable open-source implementation of Bioware's Infinity Engine. It was written to support pseudo-3D role playing games based on the Dungeons & Dragons ruleset (Baldur's Gate and Icewind Dale series, Planescape: Torment). It should run on GNU/Linux, Microsoft Windows, OS X, possibly other UNIX derivatives and more. It is licensed under the GPL.
Game Editor is the game design software that gives you the power to create the games of your dreams, and gives you the chance to get the source code of the game creator and develop 2D games for personal computers as well as mobile devices like iPhone
Modified PrBoom port with uncapped framerate, variable gamespeed, re-record, walkcam, chasecam, full mouselook, fov and other features without loss of compatibility with original DOOM.
Enigma is a puzzle game
Enigma is a puzzle game inspired by Oxyd on the Atari ST and Rock and Roll on the Amiga. The object of the game is to find uncover pairs of identically colored Oxyd stones. Simple? Yes. Easy? Certainly not! Hidden traps, vast mazes, laser beams, and, most of all, countless hairy puzzles usually block your direct way to the Oxyd stones ...