Batman: The Enemy Within is a free adventure game developed by Telltale Games, and it is the second season of Telltale's Batman series, following Batman: The Telltale Series. The game is an episodic point-and-click game that allows you to make choices that affect the outcome of the story. 

Batman: The Enemy Within features a storyline that centers around the character of Batman and his alter ego, Bruce Wayne, as they investigate a new threat to Gotham City: the Riddler. You’ll make choices and solve puzzles that shape the relationships between characters.

A sequel

In Batman: The Enemy Within, the Riddler has returned to Gotham City after several years of absence and is targeting some of the city's most prominent figures in a series of brutal puzzles and games. As Batman and Bruce Wayne, you must navigate the complex world of Gotham City, working with allies such as Jim Gordon and Amanda Waller while also dealing with new adversaries such as the Pact,

The Pact is a group of criminals led by the enigmatic "John Doe," who may or may not become the Joker. Throughout the game, you’ll make choices that affect the outcome of the story, including deciding how to approach investigations, who to trust, and how to handle confrontations with enemies. It features multiple possible endings, depending on the choices made by the player.

The plot of this game is a complex and thrilling story of mystery, intrigue, and danger, set in the dark and brooding world of Gotham City. One of the strengths of the game is its cast of characters, with each character having their own motivations and personality. However, the environments are somewhat limited, which may be disappointing for players who enjoy exploration.

A great game from Telltale Games

The overall gameplay experience of Batman: The Enemy Within is a compelling and engaging one that is driven by its strong storytelling and meaningful player choice. The game is well-crafted, with a distinctive art style and high-quality voice acting that helps bring the characters to life. Players are able to explore the complex world of Gotham City as both Batman and Bruce Wayne, investigate crimes, and interact with other characters.