The ebuild for enemy-territory does not create a link in the Gnome Menu Reproducible: Always Steps to Reproduce: 1. emerge enemy-territory 2. look in the menu (after an restart from X)
From line 69 of the enemy-territory-2.56-r2 ebuild: make_desktop_entry et "Enemy Territory" ET.xpm That and I have an entry in my Gnome menu after emerging enemy-territory. You probably simply need to emerge sync and try again, though the menu entry has been in enemy-territory for a very long time.
Excuse for my silliness. It is in my menu too.