Flixel is a free open-source game-making library written in ActionScript 3.
Flixel is a free open-source game-making library written in actionscript-3 by Adam Saltsman.
Flixel provides features common to many game engines, including collisions, simple physics, particle effects, tile maps, saved games, etc.
Resources:
- Flixel's source on GitHub.
- Flixel Community, a community fork of Flixel