|answer = Almost every aspect of the game revolves around math and numbers, so there are a lot of things that can go wrong or may seem to have gone wrong. There are two places One place in the game particular where the math doesn't seem to make sense - is when destroying [[Planets|planets]]. The amount of [[Bacteria]] that is necessary to destroy the first 50% of the population is smaller than the amount to destroy the second 50%. This is actually intentional and is based on the [[SIR model]], which predicts the spread of infectious diseases.