Batman: Arkham Knight is an action-adventure game developed by Rocksteady Studios, released in 2015. It is the final installment in the Arkham series. Players control Batman as he faces Scarecrow, who unites Gotham's criminals to destroy the Dark Knight. The mysterious Arkham Knight, a new adversary, aids Scarecrow in his plan.

The game features open-world exploration, stealth, combat, and puzzle-solving. A key addition is the Batmobile, used for traversal and combat. The story explores Batman’s psychological struggles and the collapse of his alliances as Gotham spirals into chaos.

The Serious Edition includes:

- Batman: Arkham Knight game
- Batman 1st Appearance Skin DLC
- Exclusive Limited Edition 25th Anniversary Hardcover Graphic Novel.
- For PlayStation owners, Batman Arkham Knight offers the exclusive Scarecrow Nightmare Pack.