Here we're parodying Conservapedia and we know we're exaggerating.
A gamer is someone who enjoys playing games, usually role-playing games or video games. Most are avid sci-fi fans or anime fans.
After World War III, the gamers will inherit the world because they were hiding in their parents' basement and will be the sole survivors. Don't worry. The vast majority of gamers are liberal.
That is unless of course the theater geeks survive as well by hiding in their theaters.