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