Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Scanner Darkly	Attain 'Naturalist' status in Planet Zoology Scanned.
A Space Odyssey	Attain 'Discoverer' status in Space Exploration.
Babel-17	Attain 'Confused' status in Words Collected.
Citizen of the Galaxy	Attain 'Babelfish' status in Words Collected.
Contact	Attain 'Known' status in Alien Colonist Encounters.
Foundation	Attain 'Entrepreneur' status in Most Units Accrued.
Galapagos	Attain 'Encyclopedia' status in Planet Zoology Scanned.
Have Spacesuit - Will Travel	Attain 'Adventurer' status in On-foot Exploration.
Pattern for Conquest	Attain 'Notorious' status in Ships Destroyed.
Stranger in a Strange Land	Attain 'Robust' status in Extreme Survival.
Symphony For A Lost Traveler	Attain 'Nomad' status in On-foot Exploration.
The Diamond Age	Attain 'Magnate' status in Most Units Accrued.
The Forever War	Attain 'Legend' status in Ships Destroyed.
The Languages of Pao	Attain 'Interpreter' status in Words Collected.
The Longest Voyage	Attain 'Pioneer' status in Space Exploration.
The Sentinel	Attain 'Everlasting' status in Extreme Survival.
The Space Merchants	Attain 'Trader' status in Most Units Accrued.
The Star Beast	Attain 'Archivist' status in Planet Zoology Scanned.
The Stars, Like Dust	Attain 'Trailblazer' status in Space Exploration.
Use of Weapons	Attain 'Novice' status in Ships Destroyed.
What Mad Universe	Attain 'Ambassador' status in Alien Colonist Encounters.
Who Goes There?	Attain 'Diplomat' status in Alien Colonist Encounters.