<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 6.5a -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#Cover" roleURI="http://superstarplatformsinc.com/role/Cover" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#BalanceSheet" roleURI="http://superstarplatformsinc.com/role/BalanceSheet" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#BalanceSheetParenthetical" roleURI="http://superstarplatformsinc.com/role/BalanceSheetParenthetical" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#StatementOfOperations" roleURI="http://superstarplatformsinc.com/role/StatementOfOperations" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#StatementOfStockholdersEquity" roleURI="http://superstarplatformsinc.com/role/StatementOfStockholdersEquity" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#StatementOfCashFlows" roleURI="http://superstarplatformsinc.com/role/StatementOfCashFlows" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#CybersecurityRiskManagementAndStrategyDisclosure" roleURI="http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#MaterialCybersecurityIncidentDisclosure" roleURI="http://xbrl.sec.gov/cyd/role/MaterialCybersecurityIncidentDisclosure" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#OrganizationAndBusiness" roleURI="http://superstarplatformsinc.com/role/OrganizationAndBusiness" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#GoingConcern" roleURI="http://superstarplatformsinc.com/role/GoingConcern" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#SummaryOfSignificantAccountingPolicies" roleURI="http://superstarplatformsinc.com/role/SummaryOfSignificantAccountingPolicies" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#CommonStock" roleURI="http://superstarplatformsinc.com/role/CommonStock" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#LoanReceivable" roleURI="http://superstarplatformsinc.com/role/LoanReceivable" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#AllowanceForCreditLosses" roleURI="http://superstarplatformsinc.com/role/AllowanceForCreditLosses" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#CreditQualityIndicators" roleURI="http://superstarplatformsinc.com/role/CreditQualityIndicators" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#NonaccrualAndPastDueLoans" roleURI="http://superstarplatformsinc.com/role/NonaccrualAndPastDueLoans" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#NotesPayableInterestPayableOtherPayables" roleURI="http://superstarplatformsinc.com/role/NotesPayableInterestPayableOtherPayables" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#RelatedPartyTransactions" roleURI="http://superstarplatformsinc.com/role/RelatedPartyTransactions" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#ResearchAndDevelopment" roleURI="http://superstarplatformsinc.com/role/ResearchAndDevelopment" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#IntellectualProperty" roleURI="http://superstarplatformsinc.com/role/IntellectualProperty" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#Leases" roleURI="http://superstarplatformsinc.com/role/Leases" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#SegmentReporting" roleURI="http://superstarplatformsinc.com/role/SegmentReporting" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#SubsequentEvents" roleURI="http://superstarplatformsinc.com/role/SubsequentEvents" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://superstarplatformsinc.com/role/SummaryOfSignificantAccountingPoliciesPolicies" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#GoingConcernDetailsNarrative" roleURI="http://superstarplatformsinc.com/role/GoingConcernDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#SummaryOfSignificantAccountingPoliciesDetailsNarrative" roleURI="http://superstarplatformsinc.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#CommonStockDetailsNarrative" roleURI="http://superstarplatformsinc.com/role/CommonStockDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#LoanReceivableDetailsNarrative" roleURI="http://superstarplatformsinc.com/role/LoanReceivableDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#AllowanceForCreditLossesDetailsNarrative" roleURI="http://superstarplatformsinc.com/role/AllowanceForCreditLossesDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#NotesPayableInterestPayableOtherPayablesDetailsNarrative" roleURI="http://superstarplatformsinc.com/role/NotesPayableInterestPayableOtherPayablesDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#RelatedPartyTransactionsDetailsNarrative" roleURI="http://superstarplatformsinc.com/role/RelatedPartyTransactionsDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#LeasesDetailsNarrative" roleURI="http://superstarplatformsinc.com/role/LeasesDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="spst-20251231.xsd#SegmentReportingDetailsNarrative" roleURI="http://superstarplatformsinc.com/role/SegmentReportingDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#PvpExecutiveCategoriesOnly" roleURI="http://xbrl.sec.gov/ecd/role/PvpExecutiveCategoriesOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#PvpAdjustmentsOnly" roleURI="http://xbrl.sec.gov/ecd/role/PvpAdjustmentsOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#IndividualsOnly" roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#AwardTypeOnly" roleURI="http://xbrl.sec.gov/ecd/AwardTypeOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#TradingArrangmentsOnly" roleURI="http://xbrl.sec.gov/ecd/role/TradingArrangementsOnly" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll" arcroleURI="http://xbrl.org/int/dim/arcrole/notAll" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/Cover" xlink:title="00000001 - Document - Cover" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/BalanceSheet" xlink:title="00000002 - Statement - Balance Sheet" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/BalanceSheetParenthetical" xlink:title="00000003 - Statement - Balance Sheet (Parenthetical)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/StatementOfOperations" xlink:title="00000004 - Statement - Statement of Operations" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/StatementOfStockholdersEquity" xlink:title="00000005 - Statement - Statement of Stockholder&apos;s Equity">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaapStatementEquityComponentsAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapStatementEquityComponentsAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaapCommonStockMember_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapCommonStockMember_0" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaapAdditionalPaidInCapitalMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapAdditionalPaidInCapitalMember_10" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaapRetainedEarningsMember_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapRetainedEarningsMember_20" xlink:type="arc" order="21" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaapStockholdersEquity_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockholdersEquity_50" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaapSharesOutstanding_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapSharesOutstanding_50" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_50" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_50" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaapNetIncomeLoss_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapNetIncomeLoss_50" xlink:type="arc" order="5" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/StatementOfCashFlows" xlink:title="00000006 - Statement - Statement of Cash Flows" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" xlink:title="00000012 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cyd/role/MaterialCybersecurityIncidentDisclosure" xlink:title="00000013 - Disclosure - Material Cybersecurity Incident Disclosure" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/OrganizationAndBusiness" xlink:title="999014 - Disclosure - ORGANIZATION AND BUSINESS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/GoingConcern" xlink:title="999015 - Disclosure - GOING CONCERN" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/SummaryOfSignificantAccountingPolicies" xlink:title="999016 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/CommonStock" xlink:title="999017 - Disclosure - COMMON STOCK" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/LoanReceivable" xlink:title="999018 - Disclosure - LOAN RECEIVABLE" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/AllowanceForCreditLosses" xlink:title="999019 - Disclosure - ALLOWANCE FOR CREDIT LOSSES" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/CreditQualityIndicators" xlink:title="999020 - Disclosure - CREDIT QUALITY INDICATORS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/NonaccrualAndPastDueLoans" xlink:title="999021 - Disclosure - NONACCRUAL AND PAST DUE LOANS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/NotesPayableInterestPayableOtherPayables" xlink:title="999022 - Disclosure - NOTES PAYABLE, INTEREST PAYABLE &amp; OTHER PAYABLES" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/RelatedPartyTransactions" xlink:title="999023 - Disclosure - RELATED PARTY TRANSACTIONS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/ResearchAndDevelopment" xlink:title="999024 - Disclosure - RESEARCH AND DEVELOPMENT" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/IntellectualProperty" xlink:title="999025 - Disclosure - INTELLECTUAL PROPERTY" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/Leases" xlink:title="999026 - Disclosure - LEASES" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/SegmentReporting" xlink:title="999027 - Disclosure - SEGMENT REPORTING" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/SubsequentEvents" xlink:title="999028 - Disclosure - SUBSEQUENT EVENTS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:title="999029 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/GoingConcernDetailsNarrative" xlink:title="999030 - Disclosure - GOING CONCERN (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative" xlink:title="999031 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaapPropertyPlantAndEquipmentLineItems" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaapScheduleOfPropertyPlantAndEquipmentTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapPropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaapScheduleOfPropertyPlantAndEquipmentTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis" xlink:label="loc_srtRangeAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfPropertyPlantAndEquipmentTable" xlink:to="loc_srtRangeAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember" xlink:label="loc_srtRangeMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srtRangeAxis" xlink:to="loc_srtRangeMember" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember" xlink:label="loc_srtRangeMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_srtRangeAxis" xlink:to="loc_srtRangeMember_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember" xlink:label="loc_srtMinimumMember_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtRangeMember" xlink:to="loc_srtMinimumMember_20" xlink:type="arc" order="21" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember" xlink:label="loc_srtMaximumMember_30" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtRangeMember" xlink:to="loc_srtMaximumMember_30" xlink:type="arc" order="31" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateDuringPeriod" xlink:label="loc_us-gaapDebtInstrumentInterestRateDuringPeriod_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapPropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaapDebtInstrumentInterestRateDuringPeriod_50" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseDescription" xlink:label="loc_us-gaapLesseeOperatingLeaseDescription_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapPropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaapLesseeOperatingLeaseDescription_50" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExaminationLikelihoodOfUnfavorableSettlement" xlink:label="loc_us-gaapIncomeTaxExaminationLikelihoodOfUnfavorableSettlement_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapPropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaapIncomeTaxExaminationLikelihoodOfUnfavorableSettlement_50" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" xlink:label="loc_us-gaapIncomeTaxExaminationPenaltiesAndInterestExpense_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapPropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaapIncomeTaxExaminationPenaltiesAndInterestExpense_50" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaapUnrecognizedTaxBenefits_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapPropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaapUnrecognizedTaxBenefits_50" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaapFiniteLivedIntangibleAssetUsefulLife_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapPropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaapFiniteLivedIntangibleAssetUsefulLife_50" xlink:type="arc" order="5" />
      <link:loc xlink:type="locator" xlink:href="spst-20251231.xsd#SPST_PercentageOfSimpleInterestInLoanReceivableFromCustomer" xlink:label="loc_SPSTPercentageOfSimpleInterestInLoanReceivableFromCustomer_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapPropertyPlantAndEquipmentLineItems" xlink:to="loc_SPSTPercentageOfSimpleInterestInLoanReceivableFromCustomer_50" xlink:type="arc" order="6" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/CommonStockDetailsNarrative" xlink:title="999032 - Disclosure - COMMON STOCK (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/LoanReceivableDetailsNarrative" xlink:title="999033 - Disclosure - LOAN RECEIVABLE (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/AllowanceForCreditLossesDetailsNarrative" xlink:title="999034 - Disclosure - ALLOWANCE FOR CREDIT LOSSES (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/NotesPayableInterestPayableOtherPayablesDetailsNarrative" xlink:title="999035 - Disclosure - NOTES PAYABLE, INTEREST PAYABLE &amp; OTHER PAYABLES (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/RelatedPartyTransactionsDetailsNarrative" xlink:title="999036 - Disclosure - RELATED PARTY TRANSACTIONS (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/LeasesDetailsNarrative" xlink:title="999037 - Disclosure - LEASES (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://superstarplatformsinc.com/role/SegmentReportingDetailsNarrative" xlink:title="999038 - Disclosure - SEGMENT REPORTING (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/role/PvpExecutiveCategoriesOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/role/PvpAdjustmentsOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/role/IndividualsOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/AwardTypeOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/role/TradingArrangementsOnly" />
</link:linkbase>
