Factorio - Gotta defend the factory at all cost!

Started a new game and about half way in. This time i have the enemie not friendly so i will be attacked from time to time. I been busy building defenses and working on the offense soon. Been working on getting my armored suit ready so once that is completed i can go on the offensive. Just hope my walls stay up. The aliens have been really harsh on me and been looking the smallest hole in my defense network. Building turrets gets more expensive as you base gets bigger. I do however have bots so i will have the deliver ammo soon.

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