This is a growing area of game development as more gamers log into gameplay experiences while traveling and en route to and from work.

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Or you can log on to a game server and try your luck against total strangers blasting Nazis or aliens, though it's more fun to "frag" a friend.

FORBES: ONLINE GAMING

Many gamers were unable to log in to the online game, which prompted some retailers to stop selling it.

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It may not take weeks or months like a full-fledged MMO review might take, but to review Diablo III fairly you need to review its accessibility and the impact the online only nature of the game has on gameplay even down to the ability of gamers to log into their accounts.

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This being a "Call of Duty" game, there will also be new multiplayer gameplay to entice players to log in and take on friends from around the world on Xbox Live and PlayStation Network.

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Several gamers weren't able to log on after "SimCity" launched, prompting some retailers to stop selling the Electronic Arts Inc. game.

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