As implied by the subtitle, "My Aquarium", this Japan-only PlayStation game lets the player manage a public aquarium stuffed to the gills with sea animals.
Germs: Nerawareta Machi is a first-person open world adventure game released exclusively in Japan for the PS1. The only game developed and published by Japanese CG animation company KAJ, Germs stars a reporter who returns to his hometown to investigate a mysterious glowing object, as well as a series of mutations happening to the townspeople that might be connected to it.
Hikaru no Go: Insei Choujou Kessen is a Japan-exclusive board game based off the Hikaru no Go magna series. The game was developed by Tenky and published by Konami for PlayStation in 2002.
Hikaru no Go: Heian Gensou Ibunroku is a Japan-exclusive party game based on the Hikaru no Go magna series. It was developed by Konami Computer Entertainment Tokyo for PlayStation.
'Fun! Fun! Pingu' is a Japanese PlayStation title based on the children's animation series 'Pingu'. The game follows Pingu in his escapades based on different episodes of the show, as he finds and picks up different items and talks with different citizens of Antartica. Alongside the release, various Pingu-branded PSX merchandise like controllers and memory cards were made.