SpeedRun Games today announced that Grappling Hook osts now only $14.95 - the game is available via the Grappling Hook website, GamersGate and MacGameStore. Grappling Hook is a first-person action puzzle jump 'n' run game where you can use a grappling hook to overcome various challenging obstacles by performing incredible moves and fast combinations of tricks. The full game features 22 dynamic, animated, and unique levels, 30 achievements and 176 challenges.