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