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