Before anything, I already googled this, and most responses focus in the "action combat rpg" part. What I'm looking for is a game where your actions may cause this butterfly effect over the world, like if you rescue some animal from some trap, it somehows influde in the world making some island explorable later, and then if you help some random hobo, later the phone is invented and this leads to cities with skyscrappers and such.
Are there any games with this kind of "butterlfy effect on your actions"?