seriously,i have done a test on a wall of riot shield,with a ragdoll...Neither the grenade launcher did something...the cryo was helpless,it does only make a visual effect.Neither some tons of c4,one after another,did make damage...And for all the time,the ragdoll was OK
yes,this have some feature the IOS version don't have, but in the IOS one there is buddygirl and buddyguy together,ligthing,meteors,and other things this this one don't have,and in the IOS one the buddyes are more humanized, plus major part of guys don't have any ipod, ipad or ithings,so making this free for web will be the best.
a list of minibosses..... i have some to make go in: the sky monolith,the four dragons,the beholder.Wen i know more i will say.And,as george63 says,make a list of chests,flairs,weapons ecc. and to make a skill section.