In celebration of the holidays developer Speed Run Games has offered up a 25% off coupon code for its first-person action puzzler Grappling Hook, now available from the game’s official website. Just enter ‘BMWS000H3′ at check out through Sunday, December 27 to claim the discount.

In the game you use a grappling hook to overcome various challenges and obstacles by performing incredible moves and fast combinations to pull off otherwise impossible tricks. The game features 31 levels, 30 achievements and 248 challenges.

An editor is also included, allowing players to create their own levels. Grappling Hook is available now for Windows, Mac OS X, and Linux.