Can You Play Single-Player Missions in Assassin's Creed III Multiplayer?

No. Assassin's Creed III multiplayer is a completely separate mode with its own maps, characters, abilities, and progression system. There is zero crossover with the single-player campaign.

What This Means

• No Co-op Campaign: Story missions cannot be played with friends
• No Map Sharing: Boston, the Frontier, and New York are exclusive to single-player
• Different Mechanics: Multiplayer focuses on stealth, disguise, and hunting targets in modes like Wanted, Manhunt, and Artifact Assault

Games With Shared Story Content

If you want cooperative Assassin's Creed experiences:

• Assassin's Creed Unity – Dedicated co-op missions (2-4 players)
• Assassin's Creed Valhalla – River raids with Jomsviking crew
• Assassin's Creed Mirage – Single-player only, but shorter and more focused

AC3's multiplayer was a unique competitive stealth experiment that developed a cult following, but it was always designed as a distinct experience from Connor's journey.