Like previous entries of the Arkham series, Batman Arkham Knight comes with a nice amount of secrets and Easter Eggs that players are still uncovering a few months after release. Earlier this week the Crime Fighter Challenge Pack #6 has been made available for the PC version of the game and players have discovered a new Easter Egg found in one of the new challenge maps.

　　The new Batman Arkham Knight Easter Egg can be found in the Wayne Manor AR Challenge. By interacting with the grand piano, a hidden wall will be revealed and information about an ongoing investigation will be revealed. You can check out a video of the new Easter Egg right below.

　　The Crime Fighter Challenge Pack #6, originally known as the Community Challenge Pack, includes challenge maps taken from Batman Arkham Asylum and Batman Arkham Knight City such as the already mentioned Wayne Manor Main Hall map from Arkham City, the Sanatorium, Medical Facility from Arkham Asylum and others as well as an endless Predator challenge. The pack is now available for free on PC, with a console release coming in a few days.

　　Last month Batman Arkham Knight received plenty of DLC packs including the bigger expansion Season of Infamy. The Season of Infamy expansion adds new Most Wanted missions featuring popular villains like Ra’s Al Ghul and Mr. Freeze The expansion is now available for purchase on all formats in all regions.

　　Batman Arkham Knight is now available in all regions on PlayStation 4, Xbox One and PC. The Crime Fighter Challenge Pack #6 is now available on PC, with the PlayStation 4 and Xbox One versions receiving it in a few days, on January 26th.