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