Where would you put Arcanum, then? It has a well-defined arc that you generally have to follow... but you can skip a whole lot of it if you just know where to g

Where would you put Arcanum, then? It has a well-defined arc that you generally have to follow... but you can skip a whole lot of it if you just know where to go on the map. Also, the only RPG I know of where a character sufficiently skilled in diplomacy can win the final boss fight by convincing them to abandon their evil plans.