The puzzle itself is not particularly complicated once the two players understand the relationship between the houses. The main challenge is communicating tile positions accurately and avoiding incorrect switch presses. With both players in position and a clear system for calling out locations, the Double House Tile puzzle becomes a pretty straightforward co-op challenge. Once it is complete, returning the collectibles to the Yellow Tower opens the next stage of progression. More challenges still need to be completed before the Black Tower can be opened and the players can reach the ending of