Sorry for the silly question, but I can't find the artifacts (and, consequently, successfully finish the game) - there's no such action in the menu.
Or is there?
To be honest, I recently finished the game, and I found all the artifacts! By the way, if you don't know, you need to conclude and fulfill contracts to get the map pieces! If you do that and still can't complete it, it's possible that you have a bad copy (I had that happen once) - try downloading a different version:smile26: