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    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001834991</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001315098</issuerCik>
            <issuerName>Roblox Corporation.</issuerName>
            <secFileNumber>001-39763</secFileNumber>
            <issuerAddress>
                <ns2:street1>970 Park Place</ns2:street1>
                <ns2:city>San Mateo</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>94403</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>8888582569</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DAVID BRENT BASZUCKI</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</relationshipToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
                <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>38th Fl.</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>750000</noOfUnitsSold>
            <aggregateMarketValue>28537500.00</aggregateMarketValue>
            <noOfUnitsOutstanding>573650725</noOfUnitsOutstanding>
            <approxSaleDate>11/10/2023</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>11/10/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of Stock Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>750000</amountOfSecuritiesAcquired>
            <paymentDate>11/10/2023</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for THE BASZUCKI FAMILY FOUNDATION</name>
                <address>
                    <ns2:street1>970 Park Place</ns2:street1>
                    <ns2:city>San Mateo</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94403</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/14/2023</saleDate>
            <amountOfSecuritiesSold>75000</amountOfSecuritiesSold>
            <grossProceeds>2252160.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for DAVID BRENT BASZUCKI</name>
                <address>
                    <ns2:street1>970 Park Place</ns2:street1>
                    <ns2:city>San Mateo</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94403</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/14/2023</saleDate>
            <amountOfSecuritiesSold>375000</amountOfSecuritiesSold>
            <grossProceeds>11260800.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MS GIFT Baszucki Gift Fund</name>
                <address>
                    <ns2:street1>970 Park Place</ns2:street1>
                    <ns2:city>San Mateo</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94403</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/14/2023</saleDate>
            <amountOfSecuritiesSold>37500</amountOfSecuritiesSold>
            <grossProceeds>1139373.75</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for THE BASZUCKI FAMILY FOUNDATION</name>
                <address>
                    <ns2:street1>970 Park Place</ns2:street1>
                    <ns2:city>San Mateo</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94403</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/11/2023</saleDate>
            <amountOfSecuritiesSold>75000</amountOfSecuritiesSold>
            <grossProceeds>2254807.50</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for DAVID BRENT BASZUCKI</name>
                <address>
                    <ns2:street1>970 Park Place</ns2:street1>
                    <ns2:city>San Mateo</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94403</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/11/2023</saleDate>
            <amountOfSecuritiesSold>375000</amountOfSecuritiesSold>
            <grossProceeds>11274037.50</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MS GIFT Baszucki Gift Fund</name>
                <address>
                    <ns2:street1>970 Park Place</ns2:street1>
                    <ns2:city>San Mateo</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94403</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/11/2023</saleDate>
            <amountOfSecuritiesSold>37500</amountOfSecuritiesSold>
            <grossProceeds>1120188.75</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>Sales that were executed on November 10th, 2023 are being reported on this Form 144 filed on November 13th, 2023 given the EDGAR system was not accepting filings on November 10th in observance of the federal holiday</remarks>
        <noticeSignature>
            <noticeDate>11/10/2023</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>02/17/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ David Baszucki</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 7976}]
144
0001834991
XXXXXXXX
LIVE
0001315098
Roblox Corporation.
001-39763
970 Park Place
San Mateo
CA
94403
8888582569
DAVID BRENT BASZUCKI
Director
Officer
10% Stockholder
COMMON
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Fl.
New York
NY
10004
750000
28537500.00
573650725
11/10/2023
NYSE
Common
11/10/2023
Exercise of Stock Options
Issuer
N
750000
11/10/2023
Cash
N
10b5-1 Sales for THE BASZUCKI FAMILY FOUNDATION
970 Park Place
San Mateo
CA
94403
Common
08/14/2023
75000
2252160.00
10b5-1 Sales for DAVID BRENT BASZUCKI
970 Park Place
San Mateo
CA
94403
Common
08/14/2023
375000
11260800.00
MS GIFT Baszucki Gift Fund
970 Park Place
San Mateo
CA
94403
Common
08/14/2023
37500
1139373.75
10b5-1 Sales for THE BASZUCKI FAMILY FOUNDATION
970 Park Place
San Mateo
CA
94403
Common
08/11/2023
75000
2254807.50
10b5-1 Sales for DAVID BRENT BASZUCKI
970 Park Place
San Mateo
CA
94403
Common
08/11/2023
375000
11274037.50
MS GIFT Baszucki Gift Fund
970 Park Place
San Mateo
CA
94403
Common
08/11/2023
37500
1120188.75
Sales that were executed on November 10th, 2023 are being reported on this Form 144 filed on November 13th, 2023 given the EDGAR system was not accepting filings on November 10th in observance of the federal holiday
11/10/2023
02/17/2023
/s/ David Baszucki