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[The Fifth Horseman]

And increases the work of the translators with an umlimited amount.

Maybe. But then it would prevent some mistakes I saw in a few certain reviews. Plus people would not bitch about not being able to review their fave game because somebody else is doing that. In the large scope, you and Kosta would also get your reviews _much_ faster, as if two people are working separately on same game, they begin to compete, since each wants _his_ review to be the one on the main site.
You could also introduce a review rating system. So that the review with the highest rating shows up as the primary one. Would increase quality of some reviews a damn lot...