Namco Museum Vol. 4 is a compilation of classic arcade games released for the PlayStation. It includes notable titles such as Pac-Land, The Return of Ishtar, and Genpei Touma-den, which is known as The Genji and the Heike Clans in international markets. The collection also features Assault, its enhanced version Assault Plus as a hidden game, and Ordyne, showcasing a selection of Namco's rich gaming history.
Volume 4 for the PlayStation features:
Pac-Land (1984)
The Return of Ishtar (1986)
Genpei Touma-den (1986) – renamed The Genji and the Heike Clans outside of Japan.
Assault (1988)
Assault Plus (1988) – as a hidden game.
Ordyne (1988)