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