Solomon no Kagi, translating to "Solomon's Key" in English, is an action-puzzle game released for the NES in Japan. The game is notable for its unique gameplay mechanics.  Likely involving the manipulation of keys and the exploration of mazes, it presents a challenging experience.  While information about the game's development, its specific publisher, or sales figures are scarce, the game is well-known among NES enthusiasts, due to its interesting game design and often-discussed strategy.  The title has achieved cult-like status over time. 

Solomon no Kagi (Japan)

Solar Jetman - Hunt for the Golden Warpship (Europe)