You don't see all the details, but it can still make sense. 1. You don't know what happens inside a spawner, you only see the biters after they are born. 2. Small biters are very weak. Only competition with humans drives their evolution. 3. They don't eat the same stuff as humans/machines. Therefor...

If biters did things on their own, wouldn't they also explore -> create more and more world chunks? On the other hand they wouldn't require "being pregenerated" in far chunks if they could really spread and live on their own. Maybe they'd just be active in areas where they would be anyway...

Something has been bugging me about the Angry Angry Isopods since I first started playing. It's the sheer mindless determination they have to kill me. Millions of them perish and they just keep coming. WHY? What's their deal? They just don't make sense yet, and they need to be fleshed out. Everythin...