There’s a hard and fast rule in the gaming world: Never bet against Nintendo. That’s still true, despite the Wii’s ugly tumble from the top and the underwhelming rollout of the 3DS – but if you’re a gambler, this might be the time to hedge those bets.

The Wii U, Nintendo’s own next big wager, is likely still more than a year away from hitting stores, but the number of hurdles it’s going to have to clear in order for it to be a success are growing at an alarming rate.

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