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