<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-04-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001326652</issuerCik>
        <issuerName>IndiePub Entertainment, Inc.</issuerName>
        <issuerTradingSymbol>IPUB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001378591</rptOwnerCik>
            <rptOwnerName>Smith David E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O COAST ASSET MANAGEMENT, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>11150 SANTA MONICA BLVD., SUITE 1400</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Convertible Loan</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.15</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2013-04-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>666667</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>100000</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-03-31</value>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>666667</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>53994496</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Through MMB Holdings LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On April 23, 2013, MMB Holdings LLC (&quot;MMB&quot;) made an additional loan of $100,000 to indiePub Entertainment, Inc. (f/k/a Zoo Entertainment, Inc.) (&quot;indiePub&quot;) and its subsidiaries (collectively, the &quot;Borrowers&quot;) pursuant to the Loan and Security Agreement entered into among the Borrowers and MMB on March 9, 2012, as amended (the &quot;Loan Agreement&quot;).  Under the Loan Agreement, MMB may, at any time and from time to time, convert all or any portion of the Borrowers' obligations thereunder into shares of indiePub common stock (&quot;Common Stock&quot;) at the conversion price of $0.15 per share.  If all of the current outstanding principal under the Loan Agreement were so converted, MMB would receive a total of 53,994,496 shares of Common Stock.</footnote>
        <footnote id="F2">Currently exercisable.</footnote>
        <footnote id="F3">The loans under the Loan Agreement mature on March 31, 2014, unless accelerated pursuant to the Loan Agreement.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/David E. Smith (on behalf of himself and the other Reporting Persons)</signatureName>
        <signatureDate>2013-04-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
