Tech level color code legend

	0	Pre-Industrial	Primitive Age
	1	Pre-Industrial	Bronze & Iron Age
	2	Pre-Industrial	Middle Ages
	3	Pre-Industrial	Renaissance
	4	Industrial	Steam Age
	5	Industrial	Industrial Revolution
	6	Pre-Stellar	Nuclear Age
	7	Pre-Stellar	Analog Age
	8	Pre-Stellar	Digital Age
	9	Early Stellar	Fusion power
	A	Early Stellar	Jump Drives
	B	Average Stellar	Starship Age
	C	Average Stellar	Asimov Age
	D	Average Stellar	Holodeck Age
	E	High Stellar	Floating Cities
	F	High Stellar	Live forever
	G	High Stellar	Global terraforming
	H	Extreme Stellar	Rosettes
	J	Extreme Stellar	Ringworlds
	K	Extreme Stellar	Dyson’s spheres
	L	Extreme Stellar	The Eternity Artifact