The real game-changer in this regard was the system introduced in ArcheAge, which was later re-released in ArcheAge Unchained with some minor tweaks. In these two games, you have a choice of 12 unique skill trees... and you select three of them at a time to make your class. After some #quickmaths, we get a total number of 220 unique and different class choices! But wait, ArcheageUnchained class...