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