The spiked floor deters cheaters.
"Shoot the moving target with your bow and arrows!"
The Moon Room is one of the unlockable minigames accessible from the Scores Room.
To unlock this room,you well have to win the game under the Gold trophy time limit without using shortcuts.
The Gold trophy's time limit is 10 minutes, the Silver trophy's time limit is 12 minutes and the Bronze trophy's time limit is 16 minutes.
Gameplay
You're given a Bow with unlimited arrows. Your goal is to strike the moving target to earn as many points as possible within the time limit.
The yellow center is worth five points, the red sections are worth three points, the black sections give two points and the white sections only give one point.
Footnotes
See: Unlockable rooms