I’ll be using Brod’s Platform engine, as per usual =\
http://gmc.yoyogames.com/index.php?showtopic=452605
and also some of my own code:
http://pastebin.com/f7eKXsGM
and my menu system (.gmres, sorry for anyone not able to use those =\)
http://puu.sh/b3VZf/1fab5c0be0.gmres

Good luck to you all!