Assassin's Creed Revelations (PC): Account Required for Some Features

Single-Player: No Account Needed

You can play the full single-player campaign without any account.

Ubisoft Account May Be Required For:

• Online features (multiplayer, leaderboards, community events).
• Game activation (product key registration on first launch).
• Ubisoft Connect launcher (mandatory if purchased via Ubisoft Store/Steam with Uplay integration).

How to Check Your Specific Case

1. Install the game.
2. Launch it.
3. If prompted for account login or product key, create a Ubisoft account. If not, play offline freely.

Check the official store page or manual for your specific purchase version's requirements.