As the name suggests, the germ is bad for birds but harmless in humans.

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First, this Angry Birds Bad Piggies game is not authentic: it is a pigs-shoot-birds game.

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Mr. MICHAEL LEINBACH (Launch Director): The good news is, bad weather keeps birds away.

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Fearful that one network of low-orbit birds is as bad as another, investors had lopped 30% off Globalstar's stock value by early August before shares rebounded a bit.

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Bad Piggies is not Angry Birds.

FORBES: Bad Piggies is no Angry Birds

It may be unfair to begin an article on Bad Piggies by talking about Angry Birds.

FORBES: Bad Piggies is no Angry Birds

The same principle could apply to young dreaming birds - they invent bad habits because they cannot hear themselves straying from the proper tune.

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The same physics-based game mechanics are at play in Bad Piggies that made both Cut the Rope and Angry Birds so popular, and they're just as fun in this time around.

ENGADGET: Angry Birds sequel 'Bad Piggies' launches tomorrow, we go hands-on

It's hard to say if Bad Piggies will recapture the success that Rovio found with Angry Birds proper, but all the hallmarks are there: quick, fun gameplay, colorful characters, goofy sounds, and accessibility (we couldn't help but get all three stars on every level, but you don't have to in order to proceed, should it prove too difficult).

ENGADGET: Angry Birds sequel 'Bad Piggies' launches tomorrow, we go hands-on

But it said persistent bad weather and low temperatures meant only half survived, while other rare birds including goshawks have also struggled.

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