Halo 5: Guardians – The most dramatic Halo story yet comes to Xbox One in this 4-player cooperative epic spanning three worlds. Peace is shattered when colony worlds are unexpectedly attacked. When humanity's greatest hero goes missing, a new Spartan must hunt the Master Chief and solve a mystery that threatens the entire galaxy. The Master Chief Collection – For the first time ever, The Master Chief's entire story is on one console. This collection includes a remastered Halo 2: Anniversary, along with Halo: Combat Evolved Anniversary, Halo 3, Halo 4 and the digital series, Halo: Nightfall. A total of 45 campaign missions are included, playable on over 100 multiplayer and Spartan Ops maps.