Update: Block and Key has launched on Kickstarter and the campaign will run for 21 days. There is only one pledge tier that gets you a copy of the game. Our preview post below was published on February 13. Block and Key is a 1-4 player 3D puzzle game in which you are an adventurer trying to complete quests. It will launch on Kickstarter on February 17. To start the game, you first have to fit the cardboard pieces together to make the two-level construction that serves as the