Pacman game utilty alias

BUR #8070 has been approved by @nonamethanks.

create alias pacman_(game) -> pac-man_(game)

Searching for "pacman" only gives you "pac-man eyes" and "pac-man" (both with utilty alias) the character, but not the game. Kinda annoying to search for.

The bulk update request #8070 (forum #201278) has been approved by @nonamethanks.