Campaign walkthrough | Updated August 3, 2026
All 13 Campaign Missions
Use the official mission-select order for the ten-mission classic arc and three additional prequel operations. Each briefing pairs encounter preparation with a direct four-item collectible route.
- Total missions
- 13 Official list order
- Classic arc
- 10 Pillar of Autumn to The Maw
- Prequel ops
- 3 Additional missions
- Route links
- 52 Skulls and Terminals
Before launch
Prepare once, then move mission by mission.
These four checks prevent most restarts, missed pickups, and co-op selection problems.
- Set the runChoose standard or Remix, difficulty, active Skulls, and the intended rally point before using a route.
- Build two jobsCarry one answer for shields or armor and one dependable finisher; replace either only when the next space demands it.
- Open the pickup routeEvery mission contains three hidden Skulls and one Terminal. Preview those four stops before crossing a one-way objective.
- Protect co-op progressUse the player with the needed missions and rally points as fireteam leader, then stop at durable checkpoints.
Campaign atlas
See all 13 missions before you deploy.
Open a mission briefing from the environment you recognize, then keep its collectible route beside you.
Classic campaign | Mission 01The Pillar of AutumnClose-quarters movement
Classic campaign | Mission 02HaloVehicle routing and rescues
Classic campaign | Mission 03The Truth and ReconciliationLong-range opening, tight interior
Classic campaign | Mission 04The Silent CartographerLandmarks and vehicle loops
Classic campaign | Mission 05Assault on the Control RoomLong mission and vehicle handoffs
Classic campaign | Mission 06343 Guilty SparkVisibility and close-range pressure
Classic campaign | Mission 07The LibrarySustained survival
Classic campaign | Mission 08Two BetrayalsMixed vehicles and backtracking
Classic campaign | Mission 09KeyesRoute memory and escape
Classic campaign | Mission 10The MawSabotage and vehicle finale
Prequel operation | Mission 11Boarding ActionInterior control
Prequel operation | Mission 12The Most Dangerous GameTarget priority and restraint
Prequel operation | Mission 13Heavy BurdenMixed encounter enduranceMission briefings
Campaign order, route focus, and collectible handoff.
The notes stay at the planning level so they remain useful across difficulty, solo, and co-op runs.

Classic campaign | Mission 01
The Pillar of Autumn
- Environment
- Starship escape
- Route focus
- Close-quarters movement
Carry one shield-stripping weapon and one precise finisher. Follow the ship's readable combat lanes and clear corners before advancing.

Classic campaign | Mission 02
Halo
- Environment
- Open ring valley
- Route focus
- Vehicle routing and rescues
Keep the Warthog available for the long outdoor links. Finish one rescue area at a time so the open terrain does not blur your route.

Classic campaign | Mission 03
The Truth and Reconciliation
- Environment
- Night assault and boarding
- Route focus
- Long-range opening, tight interior
Preserve precision ammunition during the approach, then switch to a dependable shield answer before the ship interior.

Classic campaign | Mission 04
The Silent Cartographer
- Environment
- Island assault
- Route focus
- Landmarks and vehicle loops
Use the beach and central island features as navigation anchors. Check the collectible route before entering the deeper facility.

Classic campaign | Mission 05
Assault on the Control Room
- Environment
- Snowfield advance
- Route focus
- Long mission and vehicle handoffs
Keep an anti-vehicle option and avoid abandoning a healthy vehicle early. Treat each large exterior as a separate checkpoint segment.

Classic campaign | Mission 06
343 Guilty Spark
- Environment
- Swamp investigation
- Route focus
- Visibility and close-range pressure
Use objective markers and strong visual landmarks on the approach. Inside, prioritize space, reload windows, and a reliable close-range weapon.

Classic campaign | Mission 07
The Library
- Environment
- Forerunner gauntlet
- Route focus
- Sustained survival
Build for repeated close-range waves, keep moving with the objective, and spend grenades only when they create a safe lane forward.

Classic campaign | Mission 08
Two Betrayals
- Environment
- Control-room return
- Route focus
- Mixed vehicles and backtracking
Expect familiar spaces with different pressure. Recheck exits, preserve heavy ammunition, and use vehicles to shorten exposed crossings.

Classic campaign | Mission 09
Keyes
- Environment
- Covenant ship return
- Route focus
- Route memory and escape
Pair a close-range weapon with a shield breaker. Mark repeated rooms by doorway shape and objective direction instead of chasing every fight.

Classic campaign | Mission 10
The Maw
- Environment
- Final ship assault
- Route focus
- Sabotage and vehicle finale
Enter with a flexible loadout, finish each sabotage objective cleanly, and treat the final drive as its own no-distraction run.

Prequel operation | Mission 11
Boarding Action
- Environment
- Boarding engagement
- Route focus
- Interior control
Prepare for compressed sightlines and frequent shielded targets. Secure each room before moving the fireteam through the next door.

Prequel operation | Mission 12
The Most Dangerous Game
- Environment
- Brute hunting ground
- Route focus
- Target priority and restraint
Keep burst damage ready for high-pressure targets. Review the mission-specific challenge before the run because it can require leaving enemies alive.

Prequel operation | Mission 13
Heavy Burden
- Environment
- Prequel finale
- Route focus
- Mixed encounter endurance
Bring a balanced loadout and bank progress at reliable checkpoints. In co-op, agree on vehicle, collectible, and restart decisions before each push.

Co-op command
Let progression choose the fireteam leader.
The leader controls available missions, rally points, and Skulls. Use the player with the route you need, keep every client updated, and finish at a durable checkpoint before switching platforms.
Verification desk
Mission order and co-op rules checked against current sources.
Official Halo pages set the release and progression baseline. IGN is used only to cross-check the public walkthrough index; all planning notes and page structure here are independently written.
Walkthrough questions
How many missions are in Halo: Campaign Evolved?
There are 13 missions in the official achievement and mission-select order.
Does the walkthrough include collectibles?
Each mission briefing links to its dedicated three-Skull and one-Terminal route.
Can I use this order in co-op?
Yes. The fireteam leader controls available missions and rally points, so choose the leader before starting.