Here is the full list of all 64 Out There: O Edition achievements.
Meet the Judge Architect
Reach the Iron Star Station
Reach the very last star
Know all alien races
Board a huge ship
Probe a star for fuel
Build all Space Folder upgrades
Build a telescope and its 2 upgrades
Terraform a planet
Find the Crescent ship
Talk with 15 alien races
Set your ship at 100% efficiency
Rule 140 star systems !
Map 120 star systems
Board a weird ship
Purge a star system ruled by the Enemy
Orbit a Star
Build a Death Seed
Scan a planet
Build the Ansible
Discover 80 star systems
Learn all the alien words
Have your oxygen below 5%
Encounter 10 alien races
Fix something with Omega
Set your ship at 100% resistance
Use the Synergy
Travel through a black hole
Break your drill
Learn how to say "Love" in alien
Meet 5 alien races
Meet the Enemy
Have your hull below 5%
Jettison a human
Dig some gold !
Visit 30 star systems
Set your ship at 100% ecosystem
Board a new ship
Receive a SOS
What a huge ship !
Receive a special call
Orbit a black hole !
Approach a Black Hole
Receive some Omega
Have your fuel below 5%
Drill an inhabited planet
Meet an Alien
Dismantle your space folder
Explore 10 star systems
Have an equipement destroyed
Find an Artifact
Build a Space Folder
Board a space station
Find a way back home
Rule the Enemy
Have the nostalgia of hamburgers.
Risk everything and live to tell
Board a strange ship
Save your kind
Find a yellow ship
Bring back an alien on its homeworld
Find the cathedral
You have gathered the interstellar alliance
You met with 30 alien races.