How long will it take to build a simple 2D Game Engine? — Harold

What tools do I need to develop a game engine? — Harold Serrano - Game Engine Developer

How does a Game Engine work? An Overview — Harold Serrano - Game Engine Developer

15 Best 2D game engines for beginners as of 2023 - Slant

Masterclass In C# Programing & Unity 2D Game Development, Michael Murr

How long will it take to learn SDL enough to build a 2D game engine out of it? - Quora

How does a Game Engine work? An Overview — Harold Serrano - Game Engine Developer

Why should you care about optimizing UI for mobile games?, by Stéfano Girardelli, Wildlife Studios Tech Blog

Harold aspires to be the first game with the 'quality' of a Disney movie (preview)

How does the Game Engine Loop make a game possible? — Harold Serrano - Game Engine Developer