"Hollow Knight" for PlayStation 4, released in 2019, is a puzzle and platformer game published by Fangamer. The game is part of the "Hollow Knight" series and includes a unique sub-genre of boxing. It is rated E10+ (Everyone 10+), offers a complete edition with a manual included, and is region-free for players worldwide. With a mix of challenging gameplay, engaging storyline, and stunning visuals, "Hollow Knight" has gained popularity among gamers looking for an immersive and captivating adventure on their PS4 console.