So you're storming the Temple of Doom in search of the Big Bad's Cosmic Keystone that is the lynchpin to The Empire's World Domination plans. And the mightiest force that the Ancient Precursors and The Legions of Hell can produce to stop you is... blocks. That's right. Blocks. Other variations on the formula include: Named after the infamous block puzzle mechanic in Vagrant Story. Also see Klotski. Not to be confused with Falling Blocks. Examples of Block Puzzle include: