WCW Mayhem was a wrestling game developed by THQ and released for multiple platforms, including the Nintendo 64. The game features a roster of WCW wrestlers, along with various match types. Gameplay probably involved grappling, striking, and using special moves to defeat opponents.  The game’s European and US releases likely featured similar gameplay mechanics but might have differed in regional censorship or content.

WCW Mayhem (Europe)

Wayne Gretzky's 3D Hockey (USA)