Hot planet to develop AI, 26 technologies, 2 new minerals, 5 buildings, many items, custom terrain, music, unique challenges...
Mods introducing new content into the game.
New places to build more factories.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Trains are great, but what if they could do even more?
Map generation and terrain modification.
New Ores and resources as well as machines.
Things related to oil and other fluids.
Furnaces, assembling machines, production chains.
Changes to power production and distribution.
On Moshine Dry Marsh, Mech Armor activates flying mode, as if avoiding an obstacle that isn't there. It's just rather odd. I'm not entirely sure if it's actually a bug, but it feels like one.