Adds a new planet, tenebris, a dark planet enshrouded in a thick acidic atmosphere.
Mods introducing new content into the game.
Changes to enemies or entirely new enemies to deal with.
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.
Mod load error : Cannot serialise ttype=function Factorio version 2.0.20 (experimental)
This is caused by the new factorio update, pushing out a fix soon.