Microsoft debuted the Halo 5: Guardians single player at E3 with a video demonstrating a mission starring Spartan Locke as he pursues Master Chief. Check it out below:

It’s looking pretty sweet. It features drop-in/drop-out co-op with up to three friends that works seamlessly.

There were also details revealed about Warzones – massive battles between 24 players or alternative 4 on 4 for smaller scaled combat. You can check the trailer out for that below;