Quake's nailgun ammo boxes also feature the Nine Inch Nails logo on them.
Reznor later did the initial sound design for Doom 3, but his material was eventually scrapped and replaced with other alternatives. A late NIN drummer, Chris Vrenna , did the theme song instead. Reznor's work on Doom 3 can be heard in the Doom 3 alpha builds, as well as via an unofficial sound pack mod.
During his tenure at id Software, American McGee was arguably the company's biggest Nine Inch Nails fan and even included a Nine Inch Nails easter egg in one of his levels in The Ultimate Doom, E4M1: Hell Beneath.