Wow, this is a nice forum, didn't know about OpenFL maybe because it's because I took such a long break from AS3 development. Interesting to see other open source projects.
I used flixel a while back, and I felt sort of restricted in terms of what I could have done with it... I particularly didn't like the tilemap system. I extensively used FlashPunk for my projects but was dissapointed in the performance on my 10 yr old laptop. For a complicated demo, that would have been harder to do in Flixel is here:
http://www.kongregate.com/games/gameche ... ectrafleetBy no means am I saying flixel is an bad tool, it just didn't suit my needs. It's probably much more mature in terms of what it can do compared to GameCheetah.
Also the philosophy behind GameCheetah is that each Graphic should manage it's as much of it's own logic as much as possible, and advocates there should be only 1 way of doing things. Like an NPC path-finding AI should be contained within it's own class and not use a PathFindingManager class.
I was hoping in the future there will be a repository of premade modules that people can grab to make simple generic games, and well written modules can be mixed and matched quickly to hack out games, which is sort of what I'm doing now in this library.
It'll be cool if I could do a port of this engine to HTML5, unfortunately, I'm not a big fan of JavaScript... waiting for Adobe to bridge the gap between AS3 and JavaScript
