Heracles no Eikou IV: Kamigami kara no Okurimono

About

You join your friends Plato and Epipha from the mythical city of Atlantis. Their fine professor has been researching possibilities of ever lasting life. Soon after the game begins, an event happens that transcends life as they know it. You will encounter life, death, Pandora’s Box, Heracles, and even the gods themselves! You must unravel the mystery of what happened. You must help Heracles in his quest too. You will travel by boat, saba, submarine, and even on the legendary Pegasus! You will journey to the underworld, under the sea, and even to the heavens above! The Glory of Heracles awaits you!

Source: IGDB