AMENDMENT TO PURCHASE AGREEMENT

Exhibit 10.8

AMENDMENT TO PURCHASE AGREEMENT

This Amendment to Purchase Agreement (this “Amendment”) is entered into this 3rd day of October, 2006 by and between Pinnacle Entertainment Inc., a Delaware corporation (“Buyer”), Players LC, LLC, a Nevada limited liability company, Players Riverboat Management, LLC, a Nevada limited liability company, Players Riverboat II, LLC, a Louisiana limited liability company (collectively, the “Selling Parties”), Harrah’s Lake Charles, LLC, a Louisiana limited liability company and Harrah’s Star Partnership, a Louisiana general partnership (collectively, the “Companies,”), and Harrah’s Operating Company, Inc., a Delaware corporation (“Harrah’s”).

WHEREAS, Buyer, the Selling Parties, the Companies and Harrah’s are parties to that certain Purchase Agreement dated as of May 26, 2006 (the “Purchase Agreement”). All terms used herein and not otherwise defined shall have the meaning assigned to them in the Purchase Agreement;

WHEREAS, Buyer, the Selling Parties, the Companies and Harrah’s desire to amend the Purchase Agreement as hereinafter set forth.

NOW, THEREFORE, in consideration of the mutual covenants and agreements set forth in this Amendment and for other good an valuable consideration, the receipt and sufficiency of which are hereby acknowledged, and intending to be legally bound hereby, the Selling Parties, the Companies and Harrah’s hereby covenant and agree as follows:

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(Signature page follows)

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IN WITNESS WHEREOF, the undersigned have caused this Amendment to be signed by their respective duly authorized officers as of the date first written above.

SELLING PARTIES

(Signatures continued on following page)

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COMPANIES

HARRAHS LAKE CHARLES, LLC

(Signatures continued on following page)

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(Signatures continued on following page)

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HARRAH’S

HARRAH’S OPERATING COMPANY

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