Aquanaut's Holiday: Hidden Memories (AQUANAUT'S HOLIDAY ～隠された記録～, Aquanaut's Holiday: Kakusareta Kiroku) is a PlayStation 3 game developed by Artdink and published by Sony Computer Entertainment. It was released in Japan on September 25, 2008.
Aquanaut's Holiday: Hidden Memories
was previously known as Aqua (working title)
which was the title used in the Tokyo Game Show
2007 official teaser.
This PlayStation 3 release is actually the latest installment in Artdink's Aquanaut's Holiday game series which started on the original PlayStation back in 1995.
While impersonating William "Bill" Graber (ウィリアム（ビル）・グラバー), the player explores a marine environment onboard a submarine called Dolphin no.2.
A database called Aqua Library brings detailed information upon met fund.