Steam announcementBatman: Arkham City - Game of the Year EditionAugust 26, 2026

The Sinister Pack drops 9.18

Who said laughing never hurt anyone? The Sinister Pack arrives with the Mayhem Collection DLC on September 18!

Get LEGO® Batman™: Legacy of the Dark Knight Deluxe Edition or the Deluxe Edition Upgrade today. #LEGOBatmanGame

Read it on Steam ↗More about Batman: Arkham City - Game of the Year Edition

Posted by the game’s developer or publisher to its Steam community hub and published by Valve through Steam’s public news API. Sifter reproduces it unedited and writes none of it.