Rovio Mobile invites you to encounter your ultimate fear in Darkest Fear™ 2: Grim Oak. It has been five years since Dr. Thomas Warden first begun unraveling the mystery behind a series of eerie events at Grim Oak’s hospital. Darkest Fear™2: Grim Oak brings you more dynamic lightning sources, multiple collectable objects, new challenging puzzles and the whole city of Grim Oak to be freely explored. The painful history of Grim Oak will be revealed!