Home News PunchOut!! multiplayer shown in video, Giga Mac confirmed News by Patrick Garratt Founder & Publisher (Former) Published on April 10, 2009 Gametrailers just posted the first video of split-screen multiplayer in PunchOut!!. Get it after the break. There's an announcement of a new fighter in Giga Mac there, as well. The game's out on May 18. This article contained embedded media which can no longer be displayed.