Here is the full list of all 64 Out There: O Edition achievements.
Meet the Enemy
Build all Space Folder upgrades
Receive a special call
Visit 30 star systems
Dig some gold !
Drill an inhabited planet
Receive some Omega
Meet an Alien
Use the Synergy
Board a new ship
Board a strange ship
Approach a Black Hole
Find an Artifact
Explore 10 star systems
Have your fuel below 5%
Break your drill
Have your hull below 5%
Orbit a Star
Have an equipement destroyed
Board a space station
Build a Space Folder
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.
Risk everything and live to tell
Discover 80 star systems
Map 120 star systems
Rule 140 star systems !
Purge a star system ruled by the Enemy
Probe a star for fuel
Have your oxygen below 5%
Meet 5 alien races
Encounter 10 alien races
Talk with 15 alien races
Know all alien races
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.