Here is the full list of all 40 After The End: The Harvest achievements.
Unlock the Assembly Point
Pilot Your First Spaceship
Begin your adventure
Utilize special Meowfka service
Conquer the Black Eye Galaxy Creature Battling League
Conquer the Anubis Galaxy Creature Battling League
Conquer the Nocteal Galaxy Creature Battling League
Conquer the Centre Galaxy Creature Battling League
Catch 25 Galactic Creatures
Catch 50 Galactic Creatures
Catch 75 Galactic Creatures
Catch 100 Galactic Creatures
Defeat 1 Titan
Defeat 4 Titans
Defeat All Titans
Assist 10 Entities
Assist the Serian Tree Spirit
Visit your Spirit Guide
Discover 10 Planets
Discover 20 Planets
Find One Crew Member for the E.A.P
Find Three Crew Members for the E.A.P
Find Five Crew Members for the E.A.P
Find Eight Crew Members for the E.A.P
Unlock the Centre Galaxy
Meet with Orkess within his Moon Base
Let Maria live
Enter the Centre Portal
Defeat The Creator
Finish the game with any Karma
Finish the game with Positive Karma
Finish the game with Negative Karma
Attain a Wanted level
Enter a Blackhole
Kill all Titans in Adventure Mode
Enter Deep Space while playing in Adventure Mode
Overcome Battle Arena challenges while playing in Adventure Mode
Defeat the Creator in Adventure Mode
Own three properties
Go fishing on each Boardwalk at least once