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