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