The Telegraph says it is "comfortable to hold," has "a real sense of fun" but has a "cumbersome" CPU and "lacks a real system seller" game.
The Guardian says its multiplayer games are "enormous fun" but the split controllers and screens are a "difficult proposition."
Gamespot likes its "exciting innovations" but isn't as keen on its "cheap hardware" and "clunky OS".
Techradar thinks it's "wonderful" to finally see Mario in HD and a "fantastic perk" to be able to play your console without a TV, but criticised the GamePad's battery life and range of available games.
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The Labour leader did not say whether he would maintain Britain's nuclear deterrent programme.
Ukip leader Paul Nuttall also said he would want to get rid of Sharia courts.
Over 40,000 people picked up their packs to take part in the annual marathon in the capital.