Video games meet office supplies in this French street art. Apparently, Ubisoft HQ and a bank across the street have been “fighting it out” since July – with art. Using post-its, the two companies have been creating images on their windows, trying to outdo each other. Some of the images look really cool, so it’s not surprising that the idea has spread to other companies in Paris, then to London, Berlin, and now, all over Europe!

It’s hard to believe these masterpieces were made with uniform-sized sheets of paper. Check them out after the jump.

Keep track of the madness yourself at the Post It Wars Tumblr.

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