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 were able to witness the form of the First-Gen Goddess, "Chrome Heart."
Your power as a Goddess has returned.
You learned 50 different Skills.
You defeated 300 enemies.
You opened many treasure chests.
You enjoyed a game for 3 nights.
Vert officially became a party member.
You had a mental discussion.
You saved Noire.
You've played as Neptune over 100 times.
You defeated the Metal Dogoo.
You are now able to summon Puddingo.
You got a Game Over.
Noire began singing in her sleep.
Noire and Blanc became party members.
You obtained Histoire.
You were able to chain a large combo.
You saw your first Break Attack.
You opened your first treasure chest.
You defeated your first monster.
This is proof you've played Super Neptunia RPG thoroughly. You're a true hero!
You ate an eggplant.
Neptune reached Level 100.
You acquired 500,000 total Credits.
You collected all 7 Tomes.
You cleared 15 different Hunt Quests.
You acquired 50 different weapons.
You acquired a total of 100 different accessories.
You acquired 250,000 total Credits.
You cleared many quests.