Jupiter’s Clock is a web game inspired by Clock Solitaire card game.
The difference with Clock Solitaire is that Jupiter’s Clock game is only 9 hours. This makes the game more challenging.
About the “Clock Solitaire card game” rules (Wikipedia)
GAMEPLAY EXAMPLES:
The button shows “0” –> click the central button.The button shows “5” –> click the 5 o’clock  button on the Jupiter’s Clock.
GAME LOSE:
MISS: Click the wrong corresponding hour.ABORT: Time’s Up!STUCK: The central button can not be clicked anymore.
GAME WIN:
All the buttons turn purple color.