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