Save up to 40% on The Mystery of the Crystal Portal from July 16-18! Join Nicole on an eye-popping quest to discover the truth behind her father's invention. Solve a multitude of mini-games, travel through seven picturesque locations and be sure to have loads of brain-bending fun! Get this thrilling adventure for only $1.99 (reg. $2.99) on iPhone and $2.99 (reg. $4.99) on iPad! Play on iPhone and iPad!