Xtreme Games
- Free tools and source code and an offer to sign up new developers for joint ventures for a general pooling of resources.
- http://www.xgamestation.com/

Gamedev.org
- Game development discussion forum.
- http://www.gamedev.org/

flipCode
- Articles, coding techniques, and interviews relating to Game programming.
- http://www.flipcode.com/

Amit's Game Programming Information
- Descriptions of algorithms for artificial intelligence, path finding, game design, objects, hexagonal tiles, threads, and text games.
- http://www-cs-students.stanford.edu/~amitp/gameprog.html

Gepard Studio
- Downloads for game programming, along with some Java, Linux, DOS and Windows games.
- http://gepardstudio.4ezi.com/

Nuclex
- A .NET game development community site with technical articles, tutorials and code snippets, focusing on game creation with the Microsoft XNA framework.
- http://www.nuclex.org

C# Game Dev
- A set of computer RPG programming tutorials using C# and DirectX. Regular articles on the creation of roleplaying games. Topics including Lua scripting, NPCs, maps.
- http://einfall.blogspot.com/

A Critical Look at Programming Languages
- An article by Tim Sweeney on the evolution and future of programming languages as it relates to game development.
- http://archive.gamespy.com/legacy/articles/devweek_b.shtm

3Ddrome
- News, tutorials, sample code, links related to 3D graphics and game development.
- http://www.3ddrome.com/

Toymaker
- Aimed mainly at the new games programmer. It contains notes and answers to common questions with examples in C++ and DirectX. Resources. T2, a free terrain texture generation tool.
- http://www.toymaker.info

The Game Programming Wiki
- Game programming tutorials and source code.
- http://gpwiki.org/

PC Game Programming Explorer
- Book by Dave Roberts that takes readers inside the world of PC game programming and reveals the essential techniques to make game programming easy and fun.
- http://www.droberts.com/pcgpex/pcgpex.htm

GameProgrammer.org
- Contains tutorials about game development featuring OpenGL, Direct3D and Win32 SDK programming.
- http://gameprogrammer.org/

XDev.ru
- Games development articles and tutorials. Game industry news.
- http://www.xdev.ru/dxgp/rgd_news_e.asp

Games Creation Resources
- Game creation programs for non-programmers.
- http://www.ambrosine.com/resource.html

3rdlife.net
- A game community driven game programming and modding website. Includes tutorials and articles, downloads.
- http://www.3rdlife.net/

Web Game Builder
- Free resource for anyone wishing to write online games. Offering tutorials, forums and linking to member games.
- http://www.webgamebuilder.com/

How to Start a Gameproject/Gamedevelop Company
- Article from a swedish programmer. Also related links.
- http://hem.bredband.net/leiber/gamedev/

Games++ Megasite
- Game programming, online games, cheats, tutorials, references, Direct X, C/C++, and Java.
- http://www.gamespp.com/

DevMaster.net
- A game development site that provides articles, 3D engines database, a wiki, daily news updates, and a discussion forum.
- http://www.devmaster.net/

The Playground Project
- Building computer environments for 4-8 year-olds to play, design, and create games. A playground is a place to play with rules not just by them.
- http://www.ioe.ac.uk/playground/frame_n.htm

GameDev.net
- Featuring a huge reference library and weekly interviews of professionals inside the industry. Participate in a public game development project.
- http://www.gamedev.net/

Game Tutorials
- Over one hundred tutorials in C/C++ for the beginning programmer.
- http://www.gametutorials.com/

Game Algorithms
- Algorithms, source code and references.
- http://www.azillionmonkeys.com/qed/gamealgorithms.html

GarageGames.com
- An online game development community and resource center, keeping independent and professional developers connected to their peers, the industry and cutting edge information, tools and code.
- http://www.garagegames.com/

Games Research
- Materials from, and links to resources related to, the Siggraph 2000 course "Games Research: the Science of Interactive Entertainment"
- http://www.red3d.com/siggraph/2000/course39/

zstar
- An extensible, distributed system for game development, consisting of an abstract game client, and a game server to which players connect to play games against other players or alone.
- http://zstar.sourceforge.net/

Ziron Multimedia
- Links to articles, source code, and tutorials.
- http://ziron.com/links/

Impacto
- A tool to make games and multimedia applications.
- http://scorpius.spaceports.com/~esanto/

Zingtech Computer Solutions
- Development site with tutorials, an introduction to DirectX and a game idea center. Also Allegro game programming library sections. Books. Links.
- http://zingtech.com/features/gamedev/

Irt.org
- Design challenges, tutorials, and articles on coding design.
- http://www.irt.org/games/

Paul Hsieh
- Source code, tips, and tricks.
- http://www.azillionmonkeys.com/qed/tech.shtml

East Coast Games
- Dedicated to training new programmers and to making great games, tutorials on C/C++, Java and DirectX, several games written for Windows (Freeware).
- http://www.eastcoastgames.com/

Reprints of Works by Diana Gruber
- Articles and book chapters by Diana Gruber on the subject of game design and programming.
- http://www.fastgraph.com/diana.html

Exaflop
- A programmers' resource with extensive resources related to graphics and games programming.
- http://www.exaflop.org/

Gamasutra
- The Art and Science of making Games.
- http://www.gamasutra.com/

Quake Developers Pages
- Information and resources for quake developers
- http://www.gamers.org/dEngine/quake/

GameProgrammer.com
- Game and graphics programming articles of interest to game programmers with all levels of experience.
- http://www.gameprogrammer.com/