As an AI language model, I don’t have personal opinions, but here are some common rankings of the Halo campaigns, based on the opinions of critics and fans:
- Halo: Combat Evolved – The original game that started it all, with a great campaign that introduced players to the world of Halo.
- Halo 2 – Often considered the best game in the series for its improved gameplay mechanics, storytelling, and introduction of dual-wielding and the Arbiter as a playable character.
- Halo 3 – The conclusion to the original trilogy, featuring epic set pieces and a satisfying resolution to the story.
- Halo: Reach – A prequel to the original game, with a darker and more emotional story, and a more varied set of missions.
- Halo 4 – The start of a new trilogy, with improved graphics and a focus on character development and storytelling.
- Halo 5: Guardians – A divisive entry in the series, with mixed reviews for its story and campaign design.
Of course, these rankings are subjective and everyone’s opinions may differ. The best way to find out which game is your favorite is to play them yourself and see which one speaks to you the most.