Battlefield Hardline is an action-packed first-person shooter game that drops players into a gritty, modern-day world of law enforcement and counter-terrorism. Players take on the role of either an agent or a rogue operative, navigating through levels set in urban environments such as Chicago's South Side. The game's storyline revolves around the player's character being forced to work with their former partner, who has turned rogue, forcing them into a cat-and-mouse game against both their former allies and enemies.
The gameplay of Battlefield Hardline is fast-paced and intense, requiring players to use cover, stealth, and strategy to take down enemies. Players can choose from various multiplayer modes, including Team Deathmatch, Domination, and Capture the Flag, each with its own unique twists and objectives. The game also features a strong single-player campaign, where players must navigate through levels, completing objectives and taking down enemy forces in a bid to uncover the truth behind their former partner's betrayal.