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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Tw2C15MtVMjTRKj+LJwc1pEQwedvtvTxSL2rWsyqmeOrJpgkQ2B/CRRLSnT4wOUA
 fThjb+6Nh4Q1qVih9bETyg==

<SEC-DOCUMENT>0000935836-08-000259.txt : 20080602
<SEC-HEADER>0000935836-08-000259.hdr.sgml : 20080602
<ACCEPTANCE-DATETIME>20080602163040
ACCESSION NUMBER:		0000935836-08-000259
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080520
FILED AS OF DATE:		20080602
DATE AS OF CHANGE:		20080602

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERPLAY ENTERTAINMENT CORP
		CENTRAL INDEX KEY:			0001057232
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				330102707
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100 NORTH CRESCENT DRIVE #324
		CITY:			BEVERLY HILLS
		STATE:			CA
		ZIP:			90210
		BUSINESS PHONE:		3104321958

	MAIL ADDRESS:	
		STREET 1:		100 NORTH CRESCENT DRIVE #324
		CITY:			BEVERLY HILLS
		STATE:			CA
		ZIP:			90210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WELTER MICHEL
		CENTRAL INDEX KEY:			0001158719

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24363
		FILM NUMBER:		08874354

	BUSINESS ADDRESS:	
		STREET 1:		900 SUNSET BLVD
		STREET 2:		SUITE 715
		CITY:			WEST HOLLYWOOD
		STATE:			CA
		ZIP:			90069
		BUSINESS PHONE:		3102767190
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-05-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001057232</issuerCik>
        <issuerName>INTERPLAY ENTERTAINMENT CORP</issuerName>
        <issuerTradingSymbol>IPLY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001158719</rptOwnerCik>
            <rptOwnerName>WELTER MICHEL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Nonqualified Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.175</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2008-05-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>400000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2018-05-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>400000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>640000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Option vests in equal amounts annually over the period of three (3) years.</footnote>
        <footnote id="F2">250,000 awarded instead of cash compensation for directors' fees and 150,000 awarded for Board service.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Michel Welter</signatureName>
        <signatureDate>2008-06-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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