The 3rd Birthday (ザ・サード・バースデイ Za Sādo Bāsudei?) is a action role-playing game from Square Enix. The game was developed for the PlayStation Portable and marks the third entry in the Parasite Eve series after Parasite Eve 2,
Hideous creatures descend on Manhattan. Ground reports from the squad tasked with containing the pandemonium refer to these life forms as the Twisted. An investigatory team known as the CTI (Counter Twisted Investigation) is formed within the year.
Aya is the main focus of this game. Due to her special powers, she still has the body of a woman in her 20s, scenario director, feels that it is rare to be able to focus on a woman in her 30s in a game and is taking the opportunity to properly depict the thinking and lifestyle of a cool woman