In EXIT The Game: The Deserted Lighthouse, you must work to solve the riddles and reach the lighthouse’s top to activate its beacon, saving the approaching ship before it smashes against the rocks and sinks to the bottom of the sea.
Only this time it’s different because there are riddles within riddles hidden within puzzles. Like other EXITs before it, this game has no game board! But it also has no cards; instead, in this new addition to the EXIT series, there are four puzzles, which you will find during play and assemble one section at a time, one puzzle after another. Each puzzle creates an image that will show you what you need to find in the game and what each room looks like. 
At the start of the game, all you have available to you are the puzzle bag containing pieces with a grayish-blue back and no pattern, and the decoder disk. But there are also strange items to be found within the game that may be used to help solve the riddles found in each of the puzzles. 
The game ends when you have solved the last riddle and reactivated the lighthouse beacon to save the ship from sinking.