Here is the full list of all 43 Attack on Titan: Wings of Freedom achievements.
Completed Chapter 2 of Attack Mode.
Experienced over 100 friendly unit deaths.
Completed a total of 30 side-missions.
Engaged in omni-directional movement for 1 minute without landing.
Activated a Decisive Battle Signal.
Subjugated a Titan with Levi.
Completed Chapter 1 of Attack Mode.
Reached 25% Gallery completion.
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.
Had an ally join.
Reached 10% Gallery completion.
Subjugated a Titan with Eren.
Developed a weapon.
Achieved a Battle Rating of S in an episode.
Selected as a top-performing cadet.
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 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.
Fought to victory in 10 battles without taking any damage.
Avoided 30 Titan attacks in Focus Time.
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.
Acquired all achievements.