Castlevania for the N64 (more commonly referred to as "Castlevania 64") is a 1999 action platforming video game developed and published by Konami. It is the first 3D game in the series and follows protagonists Carrie Fernandez and Reinhardt Schneider, who both go out to defeat Dracula as he once again is brought back to life.
arandomgameTASer chooses to play as Carrie, who is a lot faster than Reinhardt and has more exclusive skips, in order to defeat Dracula in record time.
The author has provided audio commentary for this run, which you can watch on their channel.