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