Blue Planet is the best Sci-Fi RPG that has been built to Hard Science so far. Even topping SpaceMaster from ICE.
Welcome to Poseidon, 2199 ADPrepare for a compelling journey into humanity's future on a distant planet where life is hard and dying is easy. A world where GEO Marshals enforce the peace and wired mercs patrol deep waters in deadly fighter subs. A place where corporate greed and human desperation ravage an alien ecology, threatening to plunge humanity into a war of survival with an ancient legacy. Welcome to the world of Blue Planet.
This GURPS version of the critically-acclaimed "Blue Planet" background is being published under license from Fantasy Flight Games.
There is a GURPS Version as well as a Second Edition Version that was produced by Fantasy Flight Games.