Dimension Tripper Neptune: TOP NEP is a role-playing video Game developed by Idea Factory, Frontier Works, tiny cactus studio, and WSS Playground and published by Idea Factory International. The title is the fourth instalment in the Hyperdimension Neptunia series, and it was released first in Japan and later worldwide. 

The TOP NEP occurs in Gamindustri, where the four goddesses protect and rule over four different lands and feature an immersive gameplay experience that takes players across different dimensions and parallel worlds, where they will encounter various challenges and battles.

Gameplay:

Dimension Tripper Neptune: TOP NEP features a turn-based combat system where players control a party of characters, each with their unique abilities and skills. The Game offers a vast world with various dungeons and areas to discover. The battle system is straightforward, with players having the option to attack, defend, use skills, and transform into more powerful forms—a combo system where players can chain attacks to deal more damage to their enemies.

The progression system is based on gaining experience points and levelling up. Players can also acquire new skills and abilities as they progress through the Game, offering a crafting system where players can create new items and equipment using materials throughout the Game's world.

Story:

 Dimension Tripper Neptune: TOP NEP revolves around the four goddesses, Neptune, Noire, Blanc, and Vert, who protect and rule Gamindustri's four different lands. One day, a mysterious portal appears, which leads the goddesses to other parallel worlds and dimensions. In these new worlds, they discover that a new threat has emerged, one that they must defeat to save the world.

The goddesses encounter new allies and enemies as they travel through different dimensions. They soon learn that an evil organization known as the Seven Sages is behind the portal's appearance, and they seek to conquer all of Gamindustri. The goddesses must unite with their new allies and stop the Seven Sages from achieving their goal, or Gamindustri will fall.

Key Highlights:

• An immersive and vast world to explore, with various dungeons and areas to discover.
• Turn-based combat system with a combo system that allows players to chain attacks.
• A crafting system that enables players to create new items and equipment.
• A compelling story that takes players on a journey across different dimensions and parallel worlds.
• Multiple endings are based on the player's choices and actions throughout the Game.
• A cast of unique and memorable characters, each with abilities and skills.
• A charming and humorous tone that parodies the gaming industry and pop culture.

 Dimension Tripper Neptune: TOP NEP is a must-play for fans of the role-playing Game genre and the Hyperdimension Neptunia series.