By the power of truth, I, while living, have conquered the universe.
Campaign for me.
Everything about it is amazing: Scaling the rooftops of Outskirts, traversing the charred blackened landscape of the Quarantine Zone to the final confrontation in the Control Room.
The story is great, we get a peek at how the Covenant operates and the environments we play in are beautiful.
Marty's soundtrack is phenominal, the most varied music in the Halo series as it sets a great atmosphere.