Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page QuakeC:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

QuakeC allowed the Quake engine to dominate the direction of the first-person shooter genre.[citation needed] Thanks to Carmack's idea of extending video game life by adding unlimited expandability (extensibility already played a big role in Doom), an enormous Internet community of gamers and programmers alike has arisen and many modern multiplayer games are extensible in some form.[citation needed]