Sony launches the PlayStation Vita handheld console, the platform for which Operation Abyss: New Tokyo Legacy would be released.
Operation Abyss: New Tokyo Legacy is released in Japan for the PlayStation Vita.
Operation Abyss: New Tokyo Legacy is released in North America for the PlayStation Vita.
The mysterious Abyss appears beneath New Tokyo, leading to unexplored dungeons filled with monsters and strange phenomena.
The special organization 'Fortune' is established to investigate the Abyss and protect New Tokyo from its threats.
The player character and their initial team members are recruited by Fortune to explore the Abyss.
Fortune's team conducts their first mission into the Abyss, encountering hostile monsters and gathering intelligence.
The team identifies a central point within the Abyss believed to be the source of the monster infestations.
Fortune reveals the Abyss' connection to a parallel dimension and the ancient energies affecting Tokyo.
The player’s party confronts the mysterious entity governing the Abyss, aiming to seal or control it.
After a fierce battle, the team manages to seal the Abyss, preventing further monster incursions into New Tokyo.