In an effort to help you get ahead of the curve and start learning the ins and outs of all of the multiplayer maps (including the Flashback Map Pack), we've put together this handy guide. When combined with the excellent competitive action, this addictive co-op mode makes Gears 2 one of the best multiplayer games of the year. We here at GameSpy have been playing a lot of Gears of War 2 over the last few days, and while the majority of our time was spent with the game's single-player campaign, there's been plenty of Horde mixed in for good measure.