"Batman: Arkham City" is an action-adventure game developed by Rocksteady Studios and published by Warner Bros. Interactive Entertainment. The game is set in a fictional Gotham City, where Batman must face off against various villains, including the Joker, Penguin, and Two-Face.

SKIDROW is a group of crackers who released a cracked version of "Batman: Arkham City" on the internet, allowing users to play the game without purchasing it. The crack, which was released on October 18, 2011, bypassed the game's digital rights management (DRM) protection, enabling users to play the game without an online connection or a valid game key.

You're referring to the popular video game "Batman: Arkham City" and its relation to the SKIDROW group, a well-known cracking group in the gaming community. Here's some interesting content related to the topic: