Batman: The Enemy Within - Episode 4: What Ails You continues the gripping narrative established by the previous episodes in this adventure game. Players are thrust into the chaos of Gotham City as both Bruce Wayne and Batman confront new challenges. The Riddler's return complicates matters with his unsettling puzzles, leading to a deeper crisis that threatens the city. The game emphasizes player choice, allowing for various outcomes based on decisions made throughout the episode.

In this chapter, players will experience the tension of navigating complex relationships and alliances. The introduction of a formidable federal agent adds to the stakes, while the evolving character of the Joker presents a unique dynamic. The game’s visuals and storytelling are designed to immerse players in the dark atmosphere of Gotham, making it an essential installment for fans of interactive narratives.