Progress through 6 ages of technology, starting with steam and tame exotic matter in the end. Adds various game mechanics, a variety of new resources and big machines. Compatible with Krastorio2.
I must be doing something wrong : I'll soon have launched my 200th rocket to the black hole, each with observation satellites, and still haven't got any black hole data back.
I eventually gave up, and used the console to give me just enough ei_black-hole-data to research the black hole machine, but I'd still like to know where I got it wrong...