Flixel
Flixel is a free, lightweight, and open-source game development framework for the Adobe Flash Player, written in ActionScript 3. It was created by Adam "Atomic" Saltzman and released in 2009. Flixel is designed to make it easier for developers to create 2D games, particularly those with a retro or pixel-art aesthetic, by providing a set of reusable components and a clear structure.
The framework offers features such as a tilemap editor, sprite management, collision detection, particle systems, and