Campaign

Campaign Mode is the single player gaming aspect of Halo: Combat Evolved, Halo 2, Halo 3, where the player takes control of a single character at a time through the canonical storyline of the Halo trilogy.

It can be played on four difficulty levels, listed in order from most difficult to the easiest: Legendary, Heroic, Normal, and Easy.

Halo: Combat Evolved Campaign Levels

 * 1) Pillar of Autumn
 * 2) Halo
 * 3) Truth and Reconciliation
 * 4) The Silent Cartographer
 * 5) Assault on the Control Room
 * 6) 343 Guilty Spark
 * 7) The Library
 * 8) Two Betrayals
 * 9) Keyes
 * 10) The Maw

Halo 2 Campaign Levels

 * 1) The Heretic (not playable)
 * 2) The Armory
 * 3) Cairo Station
 * 4) Outskirts
 * 5) Metropolis
 * 6) The Arbiter
 * 7) The Oracle
 * 8) Delta Halo
 * 9) Regret
 * 10) Sacred Icon
 * 11) Quarantine Zone
 * 12) Gravemind
 * 13) Uprising
 * 14) High Charity
 * 15) The Great Journey

Halo 3 Campaign Levels

 * See the main article: Halo 3 Campaign


 * 1) Arrival(not playable)
 * 2) Sierra 117
 * 3) Crow's Nest
 * 4) Tsavo Highway
 * 5) The Storm
 * 6) Floodgate
 * 7)  The Ark
 * 8) The Covenant
 * 9) Cortana
 * 10) Halo

Trivia

 * All of the games end with Master Chief in space. In Halo CE, he is in a Longsword. In Halo 2, he is in the Forerunner Dreadnought. In Halo 3, Master Chief is in (half of) a UNSC Frigate.
 * Halo CE starts with Master Chief leaving a cryo pod and Halo 3 ends with him entering one.
 * At the end of each game, after the credits, there is a bonus cutscene that gives somewhat of a clue to the sequel