Quote Originally Posted by Mastikator View Post
Apparently this thing exists. 5e Freeform, no classes or levels. You just buy the features and what not directly with EXP. Obviously it's way easier to make a mega-OP character in this system than in regular 5e so you may (as a DM) have to tell some power gamer players the ol' "no" during creation.
I thought the OP asked for D20, but I guess it can be adapted?