I love it so much I even bothered to comment. Thanks

I managed a deathworld marathon with 10x research costs by basically cheating, setting water high and using the choke points.
I swear I pumped half my starting iron into bullets before getting flame throwers, that was the first point I could relax.

It was hell and I've no idea how you all manage ...

People might see it as a nerf, but number of simultaneous spidertrons would be a good infinite research I think.
Maybe even number of simultaneous trains?

Wall hitpoints would be good too.

I can't think of much that isn't a new limit.
edit: oh, power generated by solar panels and power stored by ...