📐 Fundamental Math
Game development involves a lot of math, so you might want to dust off your high school books and brush up on math skills. You can start with the Fundamental Math for Game Developers (opens in a new tab) article by Pikuma (opens in a new tab) (HN thread (opens in a new tab)). It will give you a general overview of the different fields of mathematics that are relevant to 3D graphics and games. The following video channels are great for diving in and learning the concepts visually.
Pikuma (opens in a new tab) channel: