November 2023
- November 9 - Neptunia: Sisters vs Sisters Nintendo Switch port (NA/EU) release date announced, slated for 2024 January 23.
September 2023
- September 28 - Choujigen Musical Neptune is premiered in Japan.
- September 26 - Neptunia: Sisters vs Sisters Nintendo Switch port announced for a 2024 release in NA and EU.
- September 23 - Choujigen Musical Neptune is rescheduled to premiere on September 28.
- September 22 - Choujigen Musical Neptune first performance is canceled.
August 2023
- August 10 - Neptunia Game Maker R:Evolution is released in Japan alongside Neptunia: Sisters vs Sisters Switch port.
July 2023
- July 2 - Neptunia Game Maker R:Evolution localization announced, slated for a 2024 release alongside Neptunia: Sisters vs Sisters Xbox ports.
May 2023
- May 10 - Choujigen Musical Neptune premiere date announced, slated for September 10.
April 2023
- April 26 - Hyperdimension Neptunia: The Animation ~Little Purple Sunshine~ OVA Blu-ray is released in Japan.
- April 24 - Neptunia: Sisters vs Sisters Switch port announced, slated for release on August 10 in Japan.
March 2023
- March 22 - Choujigen Game Neptune: GameMaker R:Evolution is announced, slated for an August 10 release on PlayStation 4, PlayStation 5 and Nintendo Switch.
January 2023
- January 24 - Neptunia: Sisters vs Sisters is released for PlayStation 4, PlayStation 5 and Steam worldwide.
November 2023
- November 9 - Neptunia: Sisters vs Sisters Nintendo Switch port (NA/EU) release date announced, slated for 2024 January 23.
September 2023
- September 28 - Choujigen Musical Neptune is premiered in Japan.
- September 26 - Neptunia: Sisters vs Sisters Nintendo Switch port announced for a 2024 release in NA and EU.
- September 23 - Choujigen Musical Neptune is rescheduled to premiere on September 28.
- September 22 - Choujigen Musical Neptune first performance is canceled.
August 2023
- August 10 - Neptunia Game Maker R:Evolution is released in Japan alongside Neptunia: Sisters vs Sisters Switch port.
July 2023
- July 2 - Neptunia Game Maker R:Evolution localization announced, slated for a 2024 release alongside Neptunia: Sisters vs Sisters Xbox ports.
May 2023
- May 10 - Choujigen Musical Neptune premiere date announced, slated for September 10.
April 2023
- April 26 - Hyperdimension Neptunia: The Animation ~Little Purple Sunshine~ OVA Blu-ray is released in Japan.
- April 24 - Neptunia: Sisters vs Sisters Switch port announced, slated for release on August 10 in Japan.
March 2023
- March 22 - Choujigen Game Neptune: GameMaker R:Evolution is announced, slated for an August 10 release on PlayStation 4, PlayStation 5 and Nintendo Switch.
January 2023
- January 24 - Neptunia: Sisters vs Sisters is released for PlayStation 4, PlayStation 5 and Steam worldwide.