Call of Duty: Modern Warfare 3 has a full campaign that picks up immediately where the story left off in Modern Warfare 2, but this year’s game will include the new Open Combat missions. A Call of Duty blog post reveals how these new mission types will work, and here’s everything you need to know.

Most of the missions found in Modern Warfare 3 will be the typical, linear style of play, but a handful of Open Combat missions will greatly expand the playable area, offering you more choice in how you complete your task.