According to game designer Masahiro Sakurai, Uprising is finished—or, as they say in the game industry, "it's gone gold". Read Kotaku impressions of this "gaudy, goofy, surprisingly hardcore shoot-'em-up". [@Sora_Sakurai]
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Yay, Kid Icarus Uprising is finished. Great news for 3DS owners.
Far more importantly, that means he is now free to work on SMASH BROS!!!