<SUBMISSION>
<ACCESSION-NUMBER>0001352459-06-000027
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20061214
<FILING-DATE>20061218
<DATE-OF-FILING-DATE-CHANGE>20061218
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>SCIENTIFIC GAMES CORP
<CIK>0000750004
<ASSIGNED-SIC>7373
<IRS-NUMBER>810422894
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>750 LEXINGTON AVE
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
<PHONE>3027374300
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>750 LEXINGTON AVE
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>AUTOTOTE CORP
<DATE-CHANGED>19920703
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>UNITED TOTE INC
<DATE-CHANGED>19920317
</FORMER-COMPANY>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>WEIL A LORNE
<CIK>0000921873
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-13063
<FILM-NUMBER>061284887
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>AUTOTOE CORP
<STREET2>750 LEXINGTON AVENUE 25TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
<PHONE>2127542233
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O SCIENTIFIC GAMES CORPORATION
<STREET2>750 LEXINGTON AVENUE, 25TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
</MAIL-ADDRESS>
</REPORTING-OWNER>
<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>2006-12-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000750004</issuerCik>
        <issuerName>SCIENTIFIC GAMES CORP</issuerName>
        <issuerTradingSymbol>SGMS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000921873</rptOwnerCik>
            <rptOwnerName>WEIL A LORNE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SCIENTIFIC GAMES CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>750 LEXINGTON AVENUE, 25TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-12-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1277299</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>393621</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-12-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>192021</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>31.36</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>201600</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents contribution of 1,277,299 shares to the A. Lorne Weil 2006 Irrevocable Trust, Lehman Brothers Trust Company of Delaware, as trustee. The reporting person does not have or share investment control over shares held in the Trust. Accordingly, the reporting person is not deemed to be the beneficial owner of the shares held in the Trust for purposes of Section 16.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Debra M. Aronowitz, attorney-in-fact for A. Lorne Weil</signatureName>
        <signatureDate>2006-12-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
