Overhaul merging Krastorio2 with Space Age.
Large total conversion mods.
Transportation of the player, be it vehicles or teleporters.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Trains are great, but what if they could do even more?
New ways to deal with enemies, be it attack or defense.
New Ores and resources as well as machines.
Things related to oil and other fluids.
Related to roboports and logistic robots.
Furnaces, assembling machines, production chains.
Changes to power production and distribution.
More than just chests.
I am not sure if this is a bug or intentional, but you cannot place a mining drill on a rare metal ore patch unless you have uranium mining researched.
Uranium mining research unlocks fluid mining for all resources, it just needs to be renamed