Here is the full list of all 36 Super Neptunia RPG achievements.
You went to the hot springs with everyone.
You decided to do your best as a Goddess once more.
You defeated the Ultimate Dragon, and protected the future of Gamindustri.
You yelled "hehe Chromey-kins xoxo.".
You enjoyed the Octopus Party.
You tore Histoire, and turned back time.
You acquired 250,000 total Credits.
You were able to witness the form of the First-Gen Goddess, "Chrome Heart."
You collected all 7 Tomes.
Your power as a Goddess has returned.
You enjoyed a game for 3 nights.
You cleared many quests.
Vert officially became a party member.
You had a mental discussion.
You saved Noire.
You defeated the Metal Dogoo.
You acquired 50 different weapons.
You acquired a total of 100 different accessories.
You opened many treasure chests.
You learned 50 different Skills.
You defeated 300 enemies.
You are now able to summon Puddingo.
You got a Game Over.
You've played as Neptune over 100 times.
Noire began singing in her sleep.
Noire and Blanc became party members.
You obtained Histoire.
You saw your first Break Attack.
You defeated your first monster.
You opened your first treasure chest.
This is proof you've played Super Neptunia RPG thoroughly. You're a true hero!
You ate an eggplant.
You were able to chain a large combo.
Neptune reached Level 100.
You acquired 500,000 total Credits.
You cleared 15 different Hunt Quests.