Trust
RPN's sleepy sheepie
For me, This is either Xenoblade Chronicles for the Wii, as it's the most in-depth RPG I've ever played, or Paper Mario: The Thousand-Year Door for GameCube, as I've played that one the most out of all my games by now - five plume playthroughs and I'm still in love with this game! But my favorite of the two would probably be Xenoblade, because of the deep story and the Monado.
I played that