Just a screenshot of my current defenses. Also, I've apparently burned a fish. (O.o) The AllFluids mod helped me set up the central flame turret (yes, crude oil would work, but my crude production consists of two wells at the moment), and you can see the nixie tubes from the eponymous mod displaying...

If you've got steam, you can update it to 0.13.15. Right click on the game in your library, go down to properties, go to the "betas" tab on the far right, and on the first drop down menu you can select which version you want. If you select "the latest experimental build" it shou...

Unfortunately, I'm still using the Steam release version, which is 12.35. Even more unfortunately, I was forced to abandon this factory after several attempts to break out and claim new ground. I'm fairly certain I could have uploaded the save here and someone more experienced could have cut through...

Thanks for the suggestions; they've allowed me to focus my research quite a bit. I'm running out of resources in my initial zone, and I'm afraid I've squandered quite a lot with overproduction of lower-tier goods. This is my initial factory and it's quite a disorganized mess. I'm running out of coal...

What weapons/armor do I need to survive/destroy these things?