Twins is one of the three skins released in one part of the Jump Scares offer. It could be purchased as part of an item deal in early November 2021.
Twins could be purchased for $12.99 in a deal that included 15000 coins, 1600 DNA, a Legendary Potion and the Arthropod skin. It was not available for individual purchase and it may not be available for purchase in the future.
Details of this offer may vary depending on location, platform or time.