-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 RCS8iTNAu8j8/oo4r9yKNw==

<SEC-DOCUMENT>0000813920-08-000013.txt : 20080227
<SEC-HEADER>0000813920-08-000013.hdr.sgml : 20080227
<ACCEPTANCE-DATETIME>20080227202927
ACCESSION NUMBER:		0000813920-08-000013
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080109
FILED AS OF DATE:		20080227
DATE AS OF CHANGE:		20080227

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CEC ENTERTAINMENT INC
		CENTRAL INDEX KEY:			0000813920
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				480905805
		STATE OF INCORPORATION:			KS
		FISCAL YEAR END:			1230

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 152077
		CITY:			IRVING
		STATE:			TX
		ZIP:			75015
		BUSINESS PHONE:		9722585403

	MAIL ADDRESS:	
		STREET 1:		PO BOX 152077
		CITY:			IRVING
		STATE:			TX
		ZIP:			75015

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SHOWBIZ PIZZA TIME INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PHARR CYNTHIA
		CENTRAL INDEX KEY:			0001106308

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13687
		FILM NUMBER:		08648233

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		9727880960

	MAIL ADDRESS:	
		STREET 1:		7610 LAIRDS LANE
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75248
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-01-09</periodOfReport>

    <issuer>
        <issuerCik>0000813920</issuerCik>
        <issuerName>CEC ENTERTAINMENT INC</issuerName>
        <issuerTradingSymbol>CEC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001106308</rptOwnerCik>
            <rptOwnerName>PHARR CYNTHIA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>16526 WESTGROVE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75248</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, Par Value $.10</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>117</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.39</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12786</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, Par Value $.10</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>134</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.39</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12652</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Payment of tax liability by withholding securities incident to the vesting of 468 shares from the 1/9/2007 restricted stock grant</footnote>
        <footnote id="F2">Payment of tax liability by withholding securities incident to the vesting of 535 shares from the 1/9/2006 restricted stock grant</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Cynthia I. Pharr Lee</signatureName>
        <signatureDate>2008-02-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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