Halo: Campaign Evolved has 13 missions: 10 remade Halo: Combat Evolved campaign missions and 3 new Operation: METEORITE bonus prequel missions.
Halo: Campaign Evolved keeps the full original campaign structure and expands it with a separate prequel set. That means returning players get the familiar 10-mission run from Halo: Combat Evolved, while the remake adds three new missions under Operation: METEORITE.
Halo: Campaign Evolved mission count
The campaign total is 13 missions. The first 10 are the remade main campaign missions, starting with The Pillar of Autumn and ending with The Maw.
KEY!The extra three missions belong to Operation: METEORITE. They are bonus prequel missions made for Halo: Campaign Evolved, not part of the original 2001 campaign list.
Full Halo: Campaign Evolved mission list
| No. | Mission | Type | What happens |
|---|---|---|---|
| 1 | The Pillar of Autumn | Main Campaign | Master Chief escapes the UNSC cruiser as Covenant forces board the ship. |
| 2 | Halo | Main Campaign | Chief lands on Installation 04 and helps surviving Marines fight the Covenant. |
| 3 | Truth and Reconciliation | Main Campaign | Chief boards a Covenant ship to rescue Captain Keyes. |
| 4 | The Silent Cartographer | Main Campaign | The mission pushes toward the map room that points to Halo’s control center. |
| 5 | Assault on the Control Room | Main Campaign | Chief fights through large indoor and outdoor battles to reach the Control Room. |
| 6 | 343 Guilty Spark | Main Campaign | The swamp mission introduces the Monitor and the Flood threat. |
| 7 | The Library | Main Campaign | Chief follows 343 Guilty Spark through Forerunner halls to obtain the Index. |
| 8 | Two Betrayals | Main Campaign | The story returns to Halo’s wider battlefield after the ring’s purpose becomes clear. |
| 9 | Keyes | Main Campaign | Chief enters a damaged Covenant ship to find Captain Keyes. |
| 10 | The Maw | Main Campaign | The campaign closes with an escape aboard the wrecked Pillar of Autumn. |
| 11 | Boarding Action | Operation: METEORITE | A new prequel mission tied to the assault on a Covenant vessel. |
| 12 | The Most Dangerous Game | Operation: METEORITE | A new prequel mission starring Master Chief and Sgt. Johnson. |
| 13 | Heavy Burden | Operation: METEORITE | A new prequel mission that continues the Operation: METEORITE arc. |
The main thing to notice is the split: Main Campaign covers the remade classic story, while Operation: METEORITE is the new bonus set. The three Operation: METEORITE mission names are currently listed as Boarding Action, The Most Dangerous Game, and Heavy Burden, though names may still change.
Operation: METEORITE missions
Operation: METEORITE is the new prequel content in Halo: Campaign Evolved. Its three missions focus on Master Chief and Sgt. Johnson assaulting a Covenant vessel before the main Halo story begins.
This makes the bonus set a story expansion rather than a replacement for any classic level. The original campaign missions still remain in the remake, with Operation: METEORITE sitting alongside them as new content.
Halo: Campaign Evolved versus Halo: Combat Evolved missions
| Version | Mission count | New content |
|---|---|---|
| Halo: Combat Evolved | 10 | None in the original campaign list |
| Halo: Campaign Evolved | 13 | 3 Operation: METEORITE prequel missions |
The practical difference is simple: Halo: Combat Evolved had the original 10 campaign missions, while Halo: Campaign Evolved keeps those and adds three Operation: METEORITE prequel missions.
Skulls and Terminals in missions
Missions also include collectible cleanup for players chasing completion. Each mission has three Skulls and one Terminal, and the Lore Have Mercy achievement/trophy tracks activating all 13 Terminals.
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That makes the mission list useful beyond story progress: once you know the full 13-mission structure, you also know how the Terminal total lines up across the campaign and Operation: METEORITE.
Frequently Asked Questions
How many missions are in Halo: Campaign Evolved?
There are 13 missions in Halo: Campaign Evolved.
What are the new missions in Halo: Campaign Evolved?
The new missions are the Operation: METEORITE missions: Boarding Action, The Most Dangerous Game, and Heavy Burden.
Are the Operation: METEORITE missions part of the original Halo campaign?
No. Operation: METEORITE is new prequel content added for Halo: Campaign Evolved.
Does Halo: Campaign Evolved include all original Halo: Combat Evolved missions?
Yes. Halo: Campaign Evolved includes the original 10 campaign missions from Halo: Combat Evolved.
How many Terminals are there across the missions?
There are 13 Terminals across the missions, with one Terminal tied to each mission.
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