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Neptunia: Sisters vs. Sisters - Day One Edition
Switch 1 · Released April 21, 2022 · Developed by Compile Heart · Published by Idea Factory International, Inc.
Single player
Role-playing (RPG)ActionScience fiction
Summary
The Day One Edition of Neptunia: Sisters vs. Sisters includes:
- The Game
- Reversible Cover Sleeve
- Set of 5 Post Cards
- Set of 4 Stickers
- B2 Cloth Poster
- Collector's Box
Screenshots
Details
Game Modes
Single player
Perspective
Third person
Themes
Action · Science fiction
Engine
Unity
Developer
Compile Heart
Release history (10 entries)
| Date | Platform | Region |
|---|---|---|
| Apr 21, 2022 | PlayStation 4 | — |
| Apr 21, 2022 | PlayStation 5 | — |
| Oct 27, 2022 | PlayStation 4 | — |
| Oct 27, 2022 | PlayStation 5 | — |
| Jan 24, 2023 | PlayStation 4 | — |
| Jan 24, 2023 | PlayStation 5 | — |
| Aug 10, 2023 | Nintendo Switch | — |
| Jan 23, 2024 | Nintendo Switch | — |
| Apr 16, 2024 | Xbox One | — |
| Apr 16, 2024 | Xbox Series X|S | — |
Videos
Storyline
Handhelds vs. smartphones—the little sisters’ portable revolution that began over time…
That day, the four CPUs set off in response to a request for help from the PC Continent far beyond the sea, while Nepgear and the other CPU candidates that stayed behind visited a certain research facility. There, they were trapped in a capsule and put into a deep sleep by the "Gray CPU,” and awakened to a Gamindustri two years later.
People now had the latest model of smartphone, called the “MagiPhone.” It became a world in which the market share was dominated by smartphones. Nepgear is told that Planeptune fell to the "Buzzoer Phenomenon," in which hordes of monsters to appear, and that her older sister Neptune went missing.
Having lost her sister and a home to return to, Nepgear fell into despair. This is a story of destruction and restoration, by CPUs, for CPUs, to pave the way from a future of despair, to a future of hope.

