Overhaul merging Krastorio 2 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.
The cryogenic plant does not have enough outputs to fully output fuel when using quality speed modules and beacons. I know that this is due to Factorio limiting the max throughput of a fluid port at 6k fluid/s. I just felt like bringing this up.