The Humble Store is currently offering Dirt 3: Complete Edition from the Dirt series for free.

Gamers looking to snag great games for cheap are in for a treat as they can grab a free copy of the Dirt 3: Complete Edition.

The Humble Store is giving away free Steam keys for PC or Mac. The game comes with add-on content and DLC. It is being offered on the Humble Store.

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There are no strings attached to this deal. All you have to do is head on over to the Humble Store, log in to your account, click the large "Get It Free" button, add it to your cart and check out.

Once you have made your purchase, the Humble store will send you an email with the Steam key, the same way it does when games are purchased. 

The game usually goes for around $30. While it is not the greatest in the series, it loses out to Dirt 2 by a small margin.

This offer is only available for a limited time, as the deal will come to an end on Saturday.

According to Humble, the following are the free content added to the game:

• The Monte Carlo Rally Pack
• The X Games Asia Track Pack
• The Power and Glory Car Pack

• The Mud and Guts Car Pack

• The Colin McRae Vision Charity Pack
• The Ken Block Special Pack