Pac-Man is a recreation of the classic arcade game for the iPod. It could have been bought for the iPod video or the iPod classic (6th generation).

Pac-Man
PacManLogo.jpg
Clickwheel store image for Pac-Man
DeveloperNamco Networks America

Information

Pac-Man for the iPod was made by Namco.

 
Screenshot from Pac-Man (iPod Clickwheel Game)

Clickwheel Game Archive Status

Pac-Man has been archived and made available for use on 5th Gen iPods with modified firmware. (Found and Cracked)

Sources

http://www.bradcook.net/games/ipod/pacman/ Link to an archived iPod Clickwheel games page (?)