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