Like some other users, I've noticed that when pressing the Space Bar in game to do some action, i.e. jump, shoot, etc, the webpage will scroll down and the intended action will not happen. This happens on all games where the space bar is used. Checking on the current armorgames.com site with the same games with the problem, it does not occur on the current side.
This may be a problem with the html coding of the site. Or even with focusing on flash items. For example, in The Last Castle, we all know that the game goes dark and will kick us if we click anywhere outside the game, on the current site. On the beta site however, clicking outside will not unfocus the game.
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