While Factorio doesn't feature traditional 'bosses' in the typical sense, the alien creatures known as Biters and Spitters act as the primary antagonists, evolving and growing stronger as your factory expands. This section will treat the escalating Biter threat as a series of 'boss encounters,' providing strategies to manage and overcome them.
The ultimate 'boss' is the pollution cloud you generate, which fuels their aggression. Managing this is key to survival.
Compare boss guides inBalatro