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On the whole, UNO fares far better on DSi than the Wii - the interface works nicely, the online player is smooth and enjoyable and you have the added benefit of pick-up-and-play whenever you like. There isn't a huge amount of solo content here, and if you're after local multiplayer you may as well grab a deck of the cards, but the online multiplayer is worth a pop at 500 Points, and it's enjoyable enough to play when you have a spare few minutes.
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