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