Do you play Doom in your PC or any console?Again,another cool download.This is a cool Ipod games.But first you must have the Ipod Linux first before you can download it.But don't worry I have also link for Ipod Linux download.
Ipod Linux
http://ipodlinuxinstl.sourceforge.net/download.html
IDoom Video(this is the preview of the game),It is compatible in your Ipod.
http://www.acc.umu.se/%7Ehyarion/highbw/iDoom_nano.mov
IDoom Game
http://doom3.filefront.com/file/iDOOM;50201
Enjoy!