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When Expansion Min CD and Expansion Max CD are both set to 0, you will see crazy aliens expanding their bases. When it is turned off, enemy will no longer try to expand their bases. No effect if enemy evolution is turned off. evolution factor increases by 1.5e-05 for each 1000 PU of pollution from your machine. It is the increase of enemy evolution factor for each 1000 PU. When the OK button is clicked, the pollution factor of enemy evolution will be set to the number on the text field. evolution factor increases by 0.002 when you destroy a spawner. It is the increase of enemy evolution factor for each destroyed spawner. When the OK button is clicked, the destroy factor of enemy evolution will be set to the number on the text field. evolution factor increases by 4e-06 in each second. It is the increase of enemy evolution factor in each second (60 ticks). When the OK button is clicked, the time factor of enemy evolution will be set to the number on the text field. Possible values are from 0 to 1, where 0 is the initial stage (only the weakest enemies will appear) and 1 is the final stage (the toughest enemies will appear). When the OK button is clicked, the enemy evolution factor will be set to the number on the text field. When it is turned off, enemy will not evolve automatically, i.e. But it will not clear the existing pollution. When it is turned off, all machines will no longer produce pollution.
