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→Levelling
=Levelling=
Higher level Evolved Bacteria can be obtained through [[Research#Bacteria MutationMutations|'''mutation''']] at the [[Research|Research Lab]]. Bacteria mutation is unlocked after the fourth planet.
Mutation requires two Bacteria of equal level and gives one Bacteria of a higher level as a reward. The rarity of the mutated Bacteria is the same as the rarity of the used Bacteria. If they are of different rarities, the mutated Bacteria will have a random rarity in the same range, so it is not possible to obtain a higher rarity Bacteria through mutation.
