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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001140361-10-025460.txt : 20100614
<SEC-HEADER>0001140361-10-025460.hdr.sgml : 20100614
<ACCEPTANCE-DATETIME>20100614175133
ACCESSION NUMBER:		0001140361-10-025460
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100610
FILED AS OF DATE:		20100614
DATE AS OF CHANGE:		20100614

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Roussel Stephane
		CENTRAL INDEX KEY:			0001466245

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15839
		FILM NUMBER:		10895833

	MAIL ADDRESS:	
		STREET 1:		C/O ACTIVISION BLIZZARD
		STREET 2:		3100 OCEAN PARK BOULEVARD
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90405

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Activision Blizzard, Inc.
		CENTRAL INDEX KEY:			0000718877
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				954803544
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3100 OCEAN PARK BLVD
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90405
		BUSINESS PHONE:		3102552000

	MAIL ADDRESS:	
		STREET 1:		3100 OCEAN PARK BLVD
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90405

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ACTIVISION INC /NY
		DATE OF NAME CHANGE:	19930114

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MEDIAGENIC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ACTIVISION INC
		DATE OF NAME CHANGE:	19880829
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-06-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000718877</issuerCik>
        <issuerName>Activision Blizzard, Inc.</issuerName>
        <issuerTradingSymbol>ATVI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001466245</rptOwnerCik>
            <rptOwnerName>Roussel Stephane</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ACTIVISION BLIZZARD, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3100 OCEAN PARK BOULEVARD</rptOwnerStreet2>
            <rptOwnerCity>SANTA MONICA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90405</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.000001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2010-06-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.69</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On June 10, 2010, 10,000 restricted stock units held by Mr. Roussel settled. Pursuant to the terms of his restricted stock unit award, he elected to have the Company withhold 3,000 of the shares otherwise deliverable to him in order to satisfy the resulting tax withholding obligation.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Stephane Roussel</signatureName>
        <signatureDate>2010-06-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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