You forgot game programming:
Flash Action script
C & C++
Java
and more but these are the common language for game programming.
And robpomeroy i dont know every single computer language but i tend to have 80 O'Reilly Books (TCP-IP, Unix, Web, Perl, Java, Oracle, xml, etc) I can give you those book if anybody wants it.
Anyway really i support xhtml, css, VB script, action script, Java script but i am not really good at those i say i am only an Expert at xhtml, css and everybody is