Here is the full list of all 35 Megadimension Neptunia VII achievements.
Connected two cities and traded between them.
Fought in 300 battles.
Used a two person Formation Skill for the first time.
Invested for the first time.
Cleared [Zero Dimension Neptunia Z: Twilight of the Desperate CPU].
Acquired a super rare item for the first time.
Used Route Building for the first time.
Acquired a rare item for the first time.
Used a three or four person Formation Skill for the first time.
Started a New Game.
Completed Neptunia VII!
Cleared [Hyper Dimension Neptunia G: The Golden Leaders, Reconstructors of Gamindustri].
Achieved Ascension Ending in [Heart Dimension Neptunia H: Into Legend].
Achieved Revival Ending in [Heart Dimension Neptunia H: Into Legend].
Invested in either Commerce, Industry, or Public Relations to max level.
Invested in Commerce, Industry, and Public Relations to max level for all cities.
Maxed a Lily Rank.
Maxed all Lily Ranks for a single person.
Produced 10 "Godly Games" within Disc Dev.
Produced 10 "Sucky Games" within Disc Dev.
Collected all figurines from Chocolate Eggs.
Collected all cards from CPU Chips.
Found all of the hidden Treasure Boxes.
Acquired 50 items from dungeon objects.
Acquired 100 items from dungeon objects.
Developed 100 different item types.
Earned a total of one million credits.
Fought in 1000 battles.
Achieved 100 Hits.
Achieved maximum damage of 100,000.
Changed into Next Form for the first time.
Used Formation Skills 100 times.
Caused a Parts Break 100 times.
Got one person to Level 99.
Answered all "Quiz! Millionep" questions correctly.