Wii U's Virtual Console will roll out this spring, and you probably already know about Nintendo requiring gamers to re-buy games if they want to play them on the Wii U. (The only workaround is launching the Wii's emulator thing and playing the games there, but you won't get to play on the Game Pad.)
There's a bit more bad news, I'm afraid. If you re-buy a game to play on the Wii U, then you also lose your save. This isn't the end of the world for some games, but let's just say I'm glad I never got Super Mario RPG or anything on the Wii...
» Source: http://kotaku.com/5979631/wii-u-virtual-console-games-wont-work-with-older-save-files
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