View Video Close Q.E.D. dev. Stephen Ascher, ‹ › Tweet Q.E.D. is a breakdancing videogame. It is bouncy and squishy. It is about the joys of kinesis. It is about busting an unfathomably wicked move in front of your rival and then striking a b-boy pose and uttering, cooly but decisively, "Q. E. D."