InsideMacGames reports that Quake IV concept art has been leaked, and was distributed to certain web sites.
id Software is taking a hard stance against any media outlets that use this artwork:
id Software is taking a hard stance against any media outlets that use this artwork:
"We do not know the source of these leaked assets. Please be warned that id Software has instructed Activision that we are not to work with any magazine which uses any of these assets. If any magazine does so, id Software will not allow any assets for id games to be sent to these magazines in the future."