Here is the full list of all 43 Attack on Titan: Wings of Freedom achievements.
Saved a friend.
Activated a Decisive Battle Signal.
Performed 10 Complete Subjugations in a row during one battle.
Had an ally join.
Reached 10% Gallery completion.
Achieved a Battle Rating of S in an episode.
Subjugated a Titan with Eren.
Developed a weapon.
Selected as a top-performing cadet.
Completed Chapter 1 of Attack Mode.
Completed Chapter 2 of Attack Mode.
Completed Chapter 3 of Attack Mode.
Complete the Final Chapter of Attack Mode.
Reached 25% Survey Mission completion.
Reached 50% Survey Mission completion.
Reached 100% Survey Mission completion.
Completed 10 requests.
Completed all requests.
Performed 50 Complete Subjugations during one battle.
Achieved a Battle Rating of S in all Attack Mode episodes.
Subjugated your first Dire Subjugation Target.
Subjugated all Dire Subjugation Targets in all Attack Mode episodes.
Reached 25% Gallery completion.
Reached 50% Gallery completion.
Reached 100% Gallery completion.
Reached maximum Soldier Skill with a character.
Reached maximum Corps Skill.
Used more than 100,000 Corps Funds in total.
Unlocked all characters.
Subjugated a Titan with Titan Eren.
Subjugated a Titan with Levi.
Engaged in omni-directional movement for 1 minute without landing.
Subjugated 10 Titans within 1 minute.
Fought to victory in 10 battles without taking any damage.
Avoided 30 Titan attacks in Focus Time.
Completed a total of 30 side-missions.
Used items a total of 100 times.
Subjugated a total of 1,000 enemies.
Damaged a total of 100 parts.
Allies damaged a total of 100 parts.
Had over 100 allies join.
Experienced over 100 friendly unit deaths.
Acquired all achievements.