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/
OpenGL programming. Many tutorials, sample programs/games, and source code. A CD is available for order containing all of the site. http://nehe.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/
Find articles, coding techniques, news, and interviews relating to Game programming. A fair number of specific tutorials as well. http://www.flipcode.com/
A specialized version of BASIC designed specifically for game development. Includes features like custom types and functions. Code is compiled before execution to speed things up. http://www.blitzbasic.com/