Gravity Falls Mystery Shack Attack Android Gameplay Gravity Falls Mystery Shack Attack Android Gameplay Gravity Falls Mystery Shack Attack Android .\rbr\rbr(new) Gravity Falls Mystery Shack Attack - Gameplay Review Walkthrough (iPhoneiPadAndroid) HD ----------- Help Dipper and Mabel defend against creatures .\rbr\rbrGravity Falls Mystery Shack Attack by Disney Help Dipper and Mabel defend against creatures from all sides in this wild and funny strategy game that features .\rbr\rbrFOR MORE BEST ANDROID GAMES new GAMEPLAYS, GO TO: FOLLOW ME .