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A gift-giving holiday celebrated on December 25th around the world, Christmas-themed works often incorporate depictions of snow, presents, or nods to its red and white-clad figurehead, Santa Claus.

A game that has some of or all of the mechanics: Limited interaction or the ability to be played without interaction, rapid growth - often exponential, prestige mechanic(s), An end goal/mission or a general goal of getting a higher amount of currency, and a system of buying and upgrading buildings, units, or similar.