Here is the full list of all 41 Gal*Gun Returns achievements.
Obtain all other achievements.
Story Mode: Clear Kaname's route with the Good Ending.
Story Mode: Clear Kaname's route with the True Ending.
Story Mode: Clear Akira's route with the Good Ending.
Story Mode: Clear Akira's route with the True Ending.
Story Mode: Clear Kaoruko's route with the Good Ending.
Story Mode: Clear Kaoruko's route with the True Ending.
Story Mode: Clear Aoi's route with the Good Ending.
Story Mode: Clear Aoi's route with the True Ending.
Doki Doki Carnival: Finish by giving Patako euphoria.
Doki Doki Carnival: Finish by giving Ekoro euphoria.
Doki Doki Carnival: Finish by giving Patako and Ekoro euphoria.
Doki Doki Carnival: Clear all events.
Action Event: Achieve a Perfect on Book Hunting with Kaname.
Action Event: Achieve a Perfect on Kaname and the Strange Creature.
Action Event: Achieve a Perfect on Poolside Training with Akira.
Action Event: Achieve a Perfect on Gale-Force Showdown with Akira.
Action Event: Achieve a Perfect on Art Modeling with Kaoruko.
Action Event: Achieve a Perfect on Kaoruko Rescue Mission.
Action Event: Achieve a Perfect on Music Composition with Aoi.
Action Event: Achieve a Perfect on Aoi's Surprise Concert.
Achieve S Rank.
Achieve SS Rank.
Achieve 神 Rank.
Get 5 Speed Bonuses in a row in Score Attack Mode.
Get 30 Ecstasy Shots in a row in Score Attack mode.
Finish with Kaname's Doki Doki Gauge at 200%.
Finish with Akira's Doki Doki Gauge at 200%.
Finish with Kaoruko's Doki Doki Gauge at 200%.
Finish with Aoi's Doki Doki Gauge at 200%.
Obtain all profiles.
Obtain all 1st Year profiles.
Obtain all 2nd Year profiles.
Obtain all 3rd Year profiles.
Obtain all Other Profiles.
Earn all Titles for your collection.
Clear Kaname's Route in Score Attack Mode.
Clear Akira's Route in Score Attack Mode.
Clear Kaoruko's Route in Score Attack Mode.
Clear Aoi's Route in Score Attack Mode.
Clear the Combined Route in Score Attack Mode.