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Hello and welcome to the first post in this blog series on making games using Odin and Raylib. Throughout this series we will create a small 2D game with simple platforming mechanics. When we are done you’ll be able to extend the game, or take the knowledge you’ve learnt and make other, more complex games! This series is aimed at people with little to no programming experience. Being a bit technical and having an interest in games will help....

This post is about what hot reload for gameplay code is, why you would use it and what the limitations are. I’ll also present an example implementation in Odin Programming Language. The final section is on some caveats, improvements and how to use hot reload in Odin together with Raylib. The front parts are language agnostic while the further down you read the more Odin specific it gets. The methods I will outline here are for people who are writing their own game ‘from scratch’, meaning you don’t use any game engine....