Some custom settings for my games

A starter kit that provides a configurable amount of nanobots, meant to be used in conjunction with other starter kits that provide other items.

Align undeground pipes to usual main bus layout: 12 tiles instead of 11.

Roboports with zero logistics range but huge construction range

Stone walls retextured to look like stone. New concrete walls are twice as strong.

Makes concrete use iron sticks as rebar rather than iron ore.