You could also try to go into developing/modding a game called Xonotic. while it's based on the Q3 engine, it looks really good and has an active developer comm

You could also try to go into developing/modding a game called Xonotic. while it's based on the Q3 engine, it looks really good and has an active developer community! it's fantastic really :) http://xonotic.org http://xonotic.org