You Don't Know Jack Headrush
Forget everything you know about a You Don't Know Jack game because YDKJ’s horribly deformed, mutant offspring Headrush has been birthed! Twisted animation, insane question types, and a bizarre appetite for all human excretory fluids and gassed add up to the most over-the-top YDKJ game ever! Fire...
- Developer: Berkeley Systems, Jackbox Games, Jellyvision
- Publisher: Berkeley Systems, Jackbox Games, Sierra Attractions, Jellyvision
- Released: 1998-04-20
- Genres: Quiz/Trivia