'Batman: Arkham Knight' is more than half a year a way, but that hasn't stopped developer Rocksteady Studios from stoking the series' fires. Just last week, the developer decided to put fans onto what was a long lost easter egg from 'Batman: Arkham City.' This easter egg of course involved that game's special date influenced nature wherein the locked up Calendar Man can be affected by user's system clock. Through a series of clues centered around the following video, Rocksteady put fans onto the trail of this easter egg.
Here's Rocksteady's great big clue:
Now while this easter egg lay dormant for years, at Rocksteady's urging, the solution was run down. The result, captured by Batman Arkham Videos, is open to interpretation, and along with that intrigue, there is the question of just how does this tie into 'Batman: Arkham Knight' and has a fun easter egg gone a bit too far into spoiler territory?