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