Gameplay

Player Traversal Mechanics in the Vast World of Horizon Zero Dawn - 2017

Managing Game States in C++ - 2006

2D Character Controllers

https://www.randygaul.net/2019/03/09/character-controllers/

2D Collision Detection Library – tinyc2

https://www.randygaul.net/2017/02/13/2d-collision-detection-library/

Virtual File Systems in Games

https://www.randygaul.net/2019/03/20/virtual-file-systems-in-games/