Just an Average Joe which aspires to code games someday!
Stack Overflow
Q&A for professional and enthusiast programmers
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Astronomy
Q&A for astronomers and astrophysicists
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Ask Ubuntu
Q&A for Ubuntu users and developers
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Server Fault
Q&A for system and network administrators
User Experience
Q&A for user experience researchers and experts
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Game Development
Q&A for professional and independent game developers
Super User
Q&A for computer enthusiasts and power users
Information Security
Q&A for information security professionals
Writing
Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing