GUIDE · CAMPAIGN MODE
Co-op campaigns
Two players can complete supported Age of Empires II campaign and Historical Battle scenarios together against the AI. Co-op versions use their own scenario setup, and completing one does not award the regular campaign completion achievements.

Overview
Two players can complete supported Age of Empires II campaign and Historical Battle scenarios together against the AI. Co-op versions use their own scenario setup, and completing one does not award the regular campaign completion achievements.
How this system affects decisions
This rule affects game mode. Read the entry’s stated mechanics together with its requirements and related unit or technology pages; its practical value depends on which parts of that system are active in the current match.
How to use this reference
Two players can complete supported Age of Empires II campaign and Historical Battle scenarios together against the AI. Co-op versions use their own scenario setup, and completing one does not award the regular campaign completion achievements. This rule is easiest to understand by identifying its trigger, the game objects it affects, and the resulting change. Those details determine whether it matters during an opening, a battle, or a custom scenario.
- Focus
- Game mode
- Signature / category
- How it works
- Release / context
- Age of Empires II system
- Region
- Campaign mode
- Classification
- Game systems