The Merge Madness Event in Plants vs Brainrots has added one of the most exciting new mechanics to the game, which is the Mutation Machine. This new feature lets you merge two plants or brainrots with different mutations to create powerful fusion variants that inherit both mutation bonuses. But using this isn't as simple as you might think, as there are various nuances you need to consider. So, to help you do it right, here's a complete Merge Madness event guide for Plants Vs Brainrots.
