Full list of all 27 No Man's Sky achievements worth 1,000 gamerscore. It takes around 50-60 hours to unlock all of the achievements on Xbox One.
Attain 'Legend' status in Ships Destroyed
Attain 'Discoverer' status in Space Exploration
Attain 'Robust' status in Extreme Survival
Attain 'Notorious' status in Ships Destroyed
Attain 'Ambassador' status in Alien Colonist Encounters
Attain 'Babelfish' status in Words Collected
Attain 'Pioneer' status in Space Exploration
Attain 'Adventurer' status in On-foot Exploration
Attain 'Magnate' status in Units Accrued
Attain 'Trader' status in Units Accrued
Attain 'Trailblazer' status in Space Exploration
Attain 'Interpreter' status in Words Collected
Attain 'Diplomat' status in Alien Colonist Encounters
Build an Exocraft
Attain 'Entrepreneur' status in Units Accrued
Attain 'Nomad' status in On-foot Exploration
Attain 'Known' status in Alien Colonist Encounters
Attain 'Confused' status in Words Collected
Visit another Player's Base
Attain 'Novice' status in Ships Destroyed
Claim a Base or Buy a Freighter
Attain 'Naturalist' status in Planet Zoology Scanned
Attain 'Archivist' status in Planet Zoology Scanned
Attain 'Encyclopedia' status in Planet Zoology Scanned
Attain 'Everlasting' status in Extreme Survival
Reach the Centre of the Galaxy in Survival Mode
Reach the Centre of the Galaxy in Permadeath Mode