I tried the coop (at last!) during last week's vacation and it worked flawless, even on a flaky WI FI network. I got my brother (at least!) to buy the game, and he's racking up the hours now. But evidently, if I had not been there to help him on various little things, he would have been lost, especially on building issues. I think there is a true need for more detailed info in game (via PDA), with small pictures and diagrams.

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