One-hundred and seventy-five years in the future, the Human Sphere is home to Mankind. A place to defend, a place to conquer, a place to take advantage of. Each and every one of the major powers has a grand purpose for the Sphere, and the destiny of the human race will be forged in both their open and clandestine engagements. Essential for diving into the Infinity universe and developing the tactical capabilities of every player, Human Sphere brings a new dimension to Infinity N3. This full-color compilation updates and revises the rules set for Infinity N3, introducing new rules, special skills, weapons, and equipment, as well as background and army lists of complete and expanded Sectorial Armies, including the Steel Phalanx of ALEPH and the Tohaa.