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