Namco Museum Volume 4 was released on November 8, 1996 for the Playstation, Namco is both the Developers and Publishers for this volume.
The fourth volume still has the virtual museum where the player can roam and explore the museum.
The 4th Volume contains
- The Return of Ishtar
- Genpei Toma Den
- Assault Plus
- The Return of Ishtar is a sequel of The Tower of Druaga.
- Genpei Toma Den was renamed "Genji and the Heike Clans" for the American released.
- Assault Plus is a hidden game.