"The Last of Us" Hints at Space Mystery （注：严格符合50字符限制，"Intergalactic"简化为"Space"保持科幻感，"Discovered"调整为"Hints at"增强悬念，保留专有名词原貌，动词结构符合新闻标题规范。）

While exploring The Last of Us game world, dedicated fans uncovered a remarkable secret. They spotted a subtle reference in one location hinting at a potential Naughty Dog project titled Intergalactic: The Heretic Prophet.

This discovery has sent waves through the gaming community, as no prior information about such a project existed. The Easter egg appears as an easily overlooked environmental detail - a mysterious book title barely noticeable during normal gameplay.

Including subtle teases for future projects has become a Naughty Dog trademark. The studio previously embedded similar clues in other titles, building narrative connections across their game universe.

While Intergalactic: The Heretic Prophet remains unconfirmed, this finding has players scouring every Naughty Dog announcement for clues. It could represent our first glimpse at an ambitious sci-fi title currently in development.

These carefully hidden Easter eggs showcase the developers' meticulous world-building philosophy, where even minor details might hold significance. As fans continue investigating, we'll learn what other secrets The Last of Us contains and how they might connect to future studio projects.