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→Bacteria Upgrades
Bacteria upgrades give various multipliers to global [[BPS]], [[BPC]], as well as increase the production of different [[Colonies|'''colonies''']].
Most upgrades can only be bought once, but some are '''iterative'''. Iterative upgrades usually become available after the player has bought 200 of one colony type. Afterwards, they can be purchased once per 25 new colonies. The exception is [[List of Iterative BPC Upgrades|iterative BPC upgrades]]. Currently, there is only one iterative bpc upgrade and it is unlocked after obtaining 100 [[Colonies#Bacteria Guns|'''Bacteria guns''']] and it can be purchased again after each 250 new Bacteria guns.
The player unlocks new bacteria upgrades by purchasing more colonies. After purchase, Bacteria upgrades cannot be sold or disabled.
