- new content to unlock through new challenges each month
- play through the game to access files and videos
- new content that will continue the storyline throughout the year
- weather effects such as sudden rain storms or blizzards can impact visibility
- employ special environmental kills using objects like bottles and axes
- Wolfpack and Domination
- one is a new wave-based co-op mode where players hunt down targets in the environment
- another is a more traditional four-on-four team-based mode

Link