Ah yes, if I think of it, Visual Novel maybe the best way to learn Japanese from games because the main ingredient of a VN is dialogue... lots and lots of dialogues from the beginning to the end credit. And VNs that allow "language switching on the fly" are I suppose the best ones. I hope Steins;Gate has this feature as well because I want to buy it, would be great if it does.
I slipped this neat post into my Gaming Posts of the Week...