The original name for the game (and series) was "High Octane". In addition, the endings were originally to be full motion video, as opposed to the text-based endings in the final game. The endings were filmed but not used, and a few vary in the details between the video and text versions.
The only Twisted Metal Game where first person view is optional by holding down Start Button and pressing Up on Control Panel.
Completing Twisted Metal on hard mode unlocks a secret level called Fight For Your Life where you will fight 5 opponents in the Arena Level.
The only Twisted Metal Game where you will fight 1 opponent on the first level the Arena.
Some footage of Twisted Metal is seen near the beginning of Jumanji: Welcome To The Jungle (2017) with Alex Vreeke playing it in back 1996 before being sucked into the video game cartridge Jumanji.