If you look back through my posts you'll see several about my co-op game for 3 to 7 players;H.M.S. Victory. It's been three years in the making gone through numerous iterations and countless playtests. Its now scheduled to be released at Gencon Indy 2015 by my friends at Mayfair games. It even getting used as the big charity event on Saturday evening! Gen Con Event Code: BGM1582089.
You won't find a listing for H.M.S. Victory on Board Game Geek but you will find this.