Is there any way to make the April Fools gravity modifier stay past April Fools?

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Is there any way to make the April Fools gravity modifier stay past April Fools? Now that I've nearly completed the game, and have mostly higher level gear, I'd like more time to, "experiment" with the zombies and have a little more fun with the modified physics.
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Barbie - April Fool’s Day Pranks | Ep.161
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Images: Nataliya Vaitkevich, Nataliya Vaitkevich, Polina Kovaleva, Nataliya Vaitkevich