There's also new enemies that are 'far more challenging.' (Watch out for Terramorphous the Invincible - a very big, very bad boss that will take four very skilled, very powerful players to take down.) 'It definitely has grown up,' he said, explaining that they've added new features such as online split-screen gameplay as well as the new Bandit Technical vehicle that lets four players ride and gun together. And, he said, this time around, the co-op gameplay has been beefed up and polished up even more. 'Co-op is at the heart of everything we do here,' Gearbox Software's Randy Varnell, the design producer for 'Borderlands 2,' told me during a recent interview.

And playing together - guns blazing - is an absolute, well, blast.

But give this game some real playtime and you'll discover that, like the first 'Borderlands,' what really makes 'Borderlands 2' tick is the people you play with. The new game - which drops players onto the planet of Pandora for a gun-filled, madcap treasure hunting adventure - is specially made to be played cooperatively with up to four people.

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