Missions

Missions

Walkthrough for every Halo: Campaign Evolved campaign mission, including the new Operation METEORITE prequel — Skull locations, secrets, and Legendary tips.

13
Missions
3
METEORITE
30 min
Avg Length

Introduction

The Halo: Campaign Evolved campaign spans 13 missions — 10 from the original Halo: Combat Evolved plus 3 brand-new prequel missions in Operation METEORITE set one year before the main story. Each walkthrough covers combat tactics, Skull locations, hidden collectibles, and Legendary-specific tips for the toughest difficulty. From the crash-landing of The Pillar of Autumn through the Silent Cartographer, the Library, and Two Betrayals, every mission has been re-built in Unreal Engine 5 with new enemy placements, expanded scripting, and the full Operation METEORITE prequel featuring Master Chief and Sgt. Johnson aboard a Covenant research ship. This section also covers Skull placement for every level, the order in which to obtain the new weapons, and the best 4-player co-op loadouts for tackling the campaign on Heroic or Legendary difficulty.

Campaign Mission Overview

#MissionLengthDifficultySkulls
1The Pillar of Autumn20 minEasy3
2Halo25 minMedium2
3The Truth and Reconciliation30 minMedium3
4The Silent Cartographer25 minMedium2
5Assault on the Control Room35 minHard4
6343 Guilty Spark25 minHard2
7The Library40 minHard3
8Two Betrayals35 minHard3
9Keyes25 minMedium2
10The Maw30 minHard3
11METEORITE 1: First Contact25 minMedium2
12METEORITE 2: Covenant Ship30 minHard3
13METEORITE 3: Forerunner Truth35 minHard4

Mission List

S

The Pillar of Autumn

Escape the cruiser. Learn movement, shields, and dual-wield basics.

Length20 min
Skulls3
TipGrab the M6D in the armory.
A

The Silent Cartographer

Find the map room. First vehicle mission and the Energy Sword cache.

Length25 min
Skulls2
TipUse the Warthog to skip the canyon.
S

The Library

Hard

Flood-infested Forerunner facility. The hardest mission in the game.

Length40 min
Skulls3
TipSave SPNKr for Hunter pairs.
A

Two Betrayals

Hard

Reverse map of Halo. Flood + Covenant fight over the same terrain.

Length35 min
Skulls3
TipEnergy Sword under Covenant camp.
A

The Maw

Hard

Final mission. Drive the Warthog to the Pillar of Autumn's explosion.

Length30 min
Skulls3
TipDon't hijack the Wraith until 343.
A

METEORITE 1: First Contact

New

Prequel: Master Chief and Sgt. Johnson investigate a Covenant ship.

Length25 min
Skulls2
TipConcussion Hammer one-shots Grunts.
S

METEORITE 3: Forerunner Truth

New

Final prequel mission. Discover the truth about Halo's origin.

Length35 min
Skulls4
TipBring Fuel Rod for Sentinel waves.

Core Mechanics

Each mission follows a linear critical-path with optional side-areas for Skulls and weapon caches. Mission checkpoints are triggered by major objective completion, not by area load. Legendary difficulty ramps enemy health by 2x, Elite accuracy by 1.5x, and removes health-regen between checkpoints.

Advantages

The 13 missions are designed to teach you the full Halo sandbox — The Pillar of Autumn teaches movement, The Silent Cartographer teaches vehicles, The Library teaches Flood combat, and Two Betrayals teaches reverse-map navigation. METEORITE adds Covenant ship combat and Forerunner puzzle mechanics.

Challenges

The Library is widely considered the hardest mission in the original — tight corridors, infinite Flood spawns, and no vehicles. Two Betrayals is a reverse map and trips up first-timers. The Maw's final drive to the Pillar of Autumn takes 8 minutes and punishes any Warthog hijack.

Frequently Asked Questions

How long is the Halo: Campaign Evolved campaign?+
The main campaign takes 6-8 hours on Heroic, 10-12 hours on Legendary including the 3 Operation METEORITE missions. Speedrunners complete it in under 4 hours.
Where do I unlock Operation METEORITE?+
METEORITE is unlocked automatically once you start the main campaign. The 3 prequel missions appear in the mission select menu after completing The Pillar of Autumn.
What is the hardest mission in the game?+
The Library on Legendary is the consensus hardest mission — infinite Flood spawns, no checkpoints, and no vehicles. Bring the M6D and SPNKr.
Are Skulls missable in any mission?+
No — all Skulls can be replayed via mission select. The original Halo had missable Skulls (the Iron Skull on The Pillar of Autumn), but the remake removes this.

Quick Tips

💡

Start every mission on Heroic difficulty — Legendary is punishing without Halo mechanics mastery.

💡

Co-op missions like The Library and Two Betrayals are dramatically easier with 4 players.

💡

Save the SPNKr for Hunter pairs — two rockets to the back-orange core kills them.

💡

The Warthog reverse trick in The Maw skips 8 minutes of driving on any difficulty.

💡

METEORITE missions can be replayed independently from the main campaign.

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