3D game engine (more powerful redesign of the Cube engine) and FPS game
QuakeSpasm is a *Nix friendly Quake Engine based on the SDL port of the popular FitzQuake. It includes some new features, important fixes, and aims for portability and 64 bit correctness.
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.
3D Engine c++
The Irrlicht Engine is an open source high performance realtime 3D engine written and usable in C++. It is completely cross-platform, using D3D, OpenGL and its own software renderers.
K-3D is the free (as in freedom) 3d modeling, animation, and rendering system.
VPython is an easy-to-use 3D graphics module for Python.
for the latest release see either - https://github.com/OGRECave/ogre - https://bitbucket.org/sinbad/ogre/ An efficient, object-oriented hardware accelerated 3D engine. It abstracts the differences between APIs and platforms and allows scene-oriented coding through an easy to use object model. Adaptable to multiple scene types (indoor, outdoor, whatever)
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
Hammer of Thyrion (uHexen2) is a cross-platform port of Raven Software's Hexen II source. It is based on an older linux port, Anvil of Thyrion. HoT includes countless bug fixes, improved music, sound and video modes, opengl improvements, support for many operating systems and architectures, and documentation among many others.
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.
A fun realistic multiplayer free-and-open-source first-person-shooter!
A mirror of releases is here.
Vega Strike is a 3d OpenGL Action Space Sim for Win/Lin/Mac allowing players to trade, bounty hunt, or explore in a vast universe. Vega Strike is mod ready and network playable.
Game engine supporting many 3D/2D formats and graphic effects
Cross-platform 3D and 2D game engine for Object Pascal. Rendering and processing of game assets in X3D, VRML, Collada, Spine and other formats. Many graphic effects including shadows, shaders, mirrors, screen effects. Animation, collision detection, 3D sound. Extensible system of 3D objects, with out-of-the-box levels, items, intelligent creatures and more. Desktop, mobile, web plugin. Also home of view3dscene - our full-featured VRML/X3D browser.
Ryzom Core is a toolkit for the development of massively online universes. It provides the base technologies and a set of development methodologies for the development of both client and server code.
3D FPS Digital Paintball 3 Multiplayer Online Game
Digital Paintball 3 is a first person shooter (FPS) game available on Web, PC, Mac and Linux. Conflate your love for simulated sport with adventure, and what you will get is the best 3D, digital paintball 3 video game of all times! You can enjoy endless hours of pure joy and an assured excitement that gradually mounts without leaving the sanctity of your home or braving the detestation of getting wet or dirty. The new online game that we have developed so punctiliously is sure to leave you regaling to the extent that you will soon be hooked to it. One of the fastest paced multiplayer digital paintball, Paint-ball Online is a super way to exercise your mental prowess, hand-eye coordination, concentration, Digital Paintball 3 Online analytical knack, quick decision-making capabilities, and of course, your love digital paintball 3 for the actual sport. Carry the power in your hand, register at our site and feel the blues blow away.
3D-Accelerated open-source DOOM engine
As a continuation of the EDGE Project, hyper3DGE gives the end-user more power from the most advanced alternative DOOM engine - combined with portability to most systems, including game consoles.
Character animation system for games and simulations.
SmartBody is available for download for Windows, Linux and OSX users. SmartBody can also be used on Android and iOS platforms. SmartBody is a character animation platform that provides the following capabilities in real time: * Locomotion (walk, jog, run, turn, strafe, jump, etc.) * Steering - avoiding obstacles and moving objects * Object manipulation - reach, grasp, touch , pick up objects * Lip Syncing - characters can speak with simultaneous lip-sync using text-to-speech or prerecorded audio * Gazing - robust gazing behavior that incorporates various parts of the body * Nonverbal behavior - gesturing, head nodding and shaking, eye saccades - Online and offline retargeting of motion - Automatic skinning and rigging SmartBody is written in C++ and can be incorporated into most game engines. SmartBody is developed at the USC Institute for Creative Technologies from the Character Animation and Simulation group: http://cas.ict.usc.edu
Odamex is a free, cross-platform, modern client-server Doom engine
Odamex is a free, cross-platform (Mac, Windows, Linux) modification of the Doom engine that allows players to easily join servers dedicated to playing Doom online. The goal of Odamex is to add enhancements to Doom while still retaining that "classic Doom feel" we all know and love about the original game.
G3D is a commercial-grade C++ 3D engine. It is used in commercial games, research papers, military simulators, and university courses. G3D supports real-time rendering, off-line rendering like ray tracing, and general purpose computation on GPUs. As of January 16, 2018, SourceForge is again the home of the active repository for G3D.
OpenVRML is a cross-platform VRML and X3D browser and C++ runtime library.
A cross-platform Duke3D (Duke Nukem 3D) port which provides many new features for mod authors, including an enhanced scripting system and OpenGL renderer. Go to http://www.eduke32.com for downloads and http://bit.ly/dn_3d to get the game!
Explore procedural worlds on your GPU. Worlds are defined by GLSL programs that map XYZ coordinates to the distance to the nearest surface. Design your own worlds, modify parameters in realtime and render hires videos of your recorded journey.
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor
The first 3D game engine built in C# for .NET, predecessor to the Visual3D Game Engine (https://www.poweraccess.net/visual3d-game-engine), an All-in-One Game Development Tool for Next-Gen 3D Games, MMOs, Simulations and Virtual Worlds powered by Microsoft XNA.
The intention of this project is to provide the source code of the commercial video game Quake III Arena. The goal of this project to improve upon the games graphical capabilities, which may include new content. Any contribution are welcome.
KlayGE is an open source, cross-platform game engine with plugin-based architecture. It provides a framework to make game development, testing, porting as simple as possible.