Co-op Guide
Fight together, survive together — complete co-op strategies
Up to 4 players online with full crossplay across PC, Xbox, and PlayStation. Team up, coordinate tactics, and conquer every difficulty together.
4 online · 2 split-screen
Xbox · PC · PS5
Full support
Consoles only
Co-op Modes
Three ways to play together
Campaign Co-op
Play the entire campaign with friends. All missions and difficulty settings supported with shared progression and unlocks.
Campaign Remix Co-op
Randomized enemy and weapon spawns add a fresh challenge for experienced players. All difficulty settings supported.
LASO Co-op
Legendary difficulty with all 17 LASO Skulls enabled. The ultimate team challenge requiring coordination and skill.
Benefits of Co-op
Why playing together is always better
Tactical Advantages
Resource Advantages
Social Advantages
Co-op Tactics
Master the art of team combat
Basic Tactics
Communication
Coordination
Resource Management
Offensive Tactics
Frontal Assault
Flanking
Sniper Support
Defensive Tactics
Position Defense
Mobile Defense
Vehicle Defense
Special Situations
Boss Fights
Resource Scarcity
High Difficulty
Role Guide
Find your role and master it for maximum team effectiveness
Assault
Frontline fighter — leads the charge and draws enemy fire
Position
- ●Frontline
- ●Aggressive
- ●Distraction
- ●Breakthrough
Weapons
Skills Required
- ●Accuracy
- ●Reflexes
- ●Aggression
- ●Survival
Sniper
Long-range specialist — provides overwatch and eliminates high-value targets
Position
- ●Backline
- ●Elevated
- ●Protected
- ●Mobile
Weapons
Skills Required
- ●Accuracy
- ●Patience
- ●Observation
- ●Positioning
Support
Team backbone — keeps everyone alive and supplied
Position
- ●Midline
- ●Flexible
- ●Protected
- ●Available
Weapons
Skills Required
- ●Awareness
- ●Communication
- ●Teamwork
- ●Adaptability
Commander
Tactical leader — directs team actions and allocates resources
Position
- ●Flexible
- ●Central
- ●Protected
- ●Observant
Weapons
Skills Required
- ●Leadership
- ●Communication
- ●Strategy
- ●Decision-making
Co-op Achievements
All 57 achievements can be unlocked in co-op
How Achievements Work in Co-op
Who Gets Achievements
- ●All players in the fireteam unlock achievements simultaneously
- ●Host progress determines which missions are available
- ●Individual progress is tracked separately
What Syncs
- ●Mission and Rally Point unlocks
- ●Skulls and Terminals
- ●Achievements across platforms
What Doesn't Sync
- ●Mid-mission checkpoints
- ●Exact player position
Achievement Categories
Story
130GPlay through the entire campaign together — all 13 unlock automatically
Difficulty
100GStart Easy, then Normal, Heroic, Legendary — progressive challenge
Collectibles
340GFollow the Collectibles Guide — each player can find different items
Challenge
130GCoordinate for specific challenges using voice communication
Special
70GSome require specific actions — coordinate timing
Completion
50GUnlock all other achievements for the Platinum Trophy
Easiest to Unlock Together
The Autumn Leaves
Complete Pillar of Autumn
Installation 04
Complete Halo
Greenhorn
Complete Campaign on Easy
Cranial
Collect a Skull
REMIX!
Complete a Remixed Mission
Maximizing Achievement Efficiency
Teammate Matching
How to find, add, and play with teammates across all platforms
Friend Systems
Platform Friends
Xbox (Xbox network), PlayStation (PSN), Steam (Steam Friends), Microsoft Store (Xbox network)
Cross-Platform Friends
Requires Xbox network account. Add via Xbox Mobile App, Xbox Game Bar, or Xbox.com. Recipient gets notification in Xbox app.
How to Add Friends
Xbox
- 1Open Xbox guide
- 2Go to People > Friends
- 3Search for Gamertag
- 4Send friend request
PlayStation
- 1Open PlayStation menu
- 2Go to Friends
- 3Search for player
- 4Send friend request
Steam
- 1Open Steam overlay
- 2Go to Friends
- 3Search for player
- 4Send friend request
Cross-Platform
- 1Open Xbox app (mobile/PC)
- 2Search for Gamertag
- 3Send friend request
- 4Wait for acceptance
How to Join Games
From Main Menu
- 1Press View (Xbox), Touchpad (PlayStation), or Tab (keyboard)
- 2Open Friends menu
- 3Scroll to friend's name
- 4Select Join
Fireteam Privacy
Finding Teammates
In-Game Methods
- ● Quick Match — matchmaking for random players
- ● Custom Games — join custom games with open slots
- ● Fireteam Finder — in-game fireteam finder
External Communities
- ● Discord — Halo communities with LFG channels
- ● Reddit — r/halo, r/HaloGameTypes
- ● Xbox LFG — Xbox Looking for Group feature
- ● PlayStation Communities
Co-op Level Guide
Tactical guidance for every campaign mission in co-op mode
The Pillar of Autumn
Key Challenge
Limited resources at start
Strategy
Share weapons, conserve ammo
Halo
Key Challenge
Open areas, vehicle combat
Strategy
Use vehicles together, cover each other
The Truth and Reconciliation
Key Challenge
Ship interior, Gravity Lift
Strategy
Clear rooms together, watch flanks
The Silent Cartographer
Key Challenge
Beach assault, underground
Strategy
Use vehicles for beach, clear underground together
Assault on the Control Room
Key Challenge
Covenant waves, Banshees
Strategy
Use Scorpion together, snipe Banshees
343 Guilty Spark
Key Challenge
Flood introduction
Strategy
Use Shotgun together, watch for ambushes
The Library
Key Challenge
Flood everywhere
Strategy
Clear rooms together, conserve ammo
Two Betrayals
Key Challenge
Flood + Covenant fighting
Strategy
Use their conflicts, snipe from distance
Keyes
Key Challenge
Flood in ship interior
Strategy
Clear rooms methodically, watch flanks
The Maw
Key Challenge
Flood, time limit
Strategy
Move quickly together, use Warthog
Boarding Action
Key Challenge
Ship interior
Strategy
Clear rooms together, watch flanks
The Most Dangerous Game
Key Challenge
Arena combat
Strategy
Use environment, coordinate attacks
Heavy Burden
Key Challenge
Final mission difficulty
Strategy
Use all skills, coordinate perfectly
FAQ
Common questions about co-op campaign and multiplayer
