Batcave

The  was a party room for the Batman Party. As such, it could only be accessed from December 2, 2019 until December 17, 2019 when the party was active on Club Penguin Online. It was a secret base for Batman and was accessible from the Forest by the waterfall.

On December 11, 2019, the Joker planted a bomb in the room while Penguins were distracted by a report that an explosive was placed at the Beacon. To deactivate his bomb, penguins had to throw batarangs at it in the range of the circle but not let it touch them or the bomb would gain back health.

Trivia

 * This room was designed by Jonas.
 * It was based on the Batcave, a secret base for Batman.
 * The Batmobile inspired vehicle looked identical to the Time Trekker 3000.
 * There was a Batcave Background, which was based on this room.