<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019df492-31bc-79d8-ab3c-f83541766385,g:ec44fa52-ee08-4be2-aa04-d8a75a1498f5-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://playstudios.com/role/CoverPage" xlink:type="simple" xlink:href="myps-20260505.xsd#CoverPage"/>
  <link:definitionLink xlink:role="http://playstudios.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019df492-31bc-738f-b529-3629dac70f89" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_DocumentInformationTable_019df492-31bc-738f-b529-3629dac70f89" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019df492-31bc-7f70-828b-df008a97bee6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_019df492-31bc-738f-b529-3629dac70f89" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019df492-31bc-7f70-828b-df008a97bee6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019df492-31bc-7f70-828b-df008a97bee6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019df492-31bc-7f70-828b-df008a97bee6" xlink:to="loc_us-gaap_ClassOfStockDomain_019df492-31bc-7f70-828b-df008a97bee6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019df492-31bc-7435-8a86-a57c31bc61c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019df492-31bc-7f70-828b-df008a97bee6" xlink:to="loc_us-gaap_ClassOfStockDomain_019df492-31bc-7435-8a86-a57c31bc61c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019df492-31bc-7caa-b0ec-f3a9adefc7ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019df492-31bc-7435-8a86-a57c31bc61c8" xlink:to="loc_us-gaap_CommonClassAMember_019df492-31bc-7caa-b0ec-f3a9adefc7ba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantMember_019df492-31bc-76e7-9bd0-24b39d3be977" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019df492-31bc-7435-8a86-a57c31bc61c8" xlink:to="loc_us-gaap_WarrantMember_019df492-31bc-76e7-9bd0-24b39d3be977" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019df492-31bc-7210-a26b-be9acdf9a664" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_DocumentType_019df492-31bc-7210-a26b-be9acdf9a664" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019df492-31bc-77ef-afa7-0f460a09ba1a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_DocumentPeriodEndDate_019df492-31bc-77ef-afa7-0f460a09ba1a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019df492-31bc-7ac1-8f10-856369fe8e7d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_EntityRegistrantName_019df492-31bc-7ac1-8f10-856369fe8e7d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019df492-31bc-7470-b9f3-c3c700720c8d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019df492-31bc-7470-b9f3-c3c700720c8d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019df492-31bc-75e4-bf39-67ca86616704" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_EntityFileNumber_019df492-31bc-75e4-bf39-67ca86616704" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019df492-31bc-7069-8b7c-8d1ae10624ed" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_EntityTaxIdentificationNumber_019df492-31bc-7069-8b7c-8d1ae10624ed" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019df492-31bc-7ecb-a5c1-f24077c55c59" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_EntityAddressAddressLine1_019df492-31bc-7ecb-a5c1-f24077c55c59" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019df492-31bc-7dc0-9f6e-cc23698ac47a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_EntityAddressCityOrTown_019df492-31bc-7dc0-9f6e-cc23698ac47a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019df492-31bc-723c-ae65-35327b13bdcb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_EntityAddressStateOrProvince_019df492-31bc-723c-ae65-35327b13bdcb" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019df492-31bc-7d91-acf3-e3502eb6847a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_EntityAddressPostalZipCode_019df492-31bc-7d91-acf3-e3502eb6847a" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019df492-31bc-7db1-bdd2-7ce3d3750c72" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_CityAreaCode_019df492-31bc-7db1-bdd2-7ce3d3750c72" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019df492-31bc-7403-aedc-7a49d6fcaf64" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_LocalPhoneNumber_019df492-31bc-7403-aedc-7a49d6fcaf64" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019df492-31bc-78b7-9ba1-44e8e81dd81b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_WrittenCommunications_019df492-31bc-78b7-9ba1-44e8e81dd81b" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019df492-31bc-7f89-9e4d-10755db075a5" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_SolicitingMaterial_019df492-31bc-7f89-9e4d-10755db075a5" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019df492-31bc-7cbb-b949-6b2003e174af" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_PreCommencementTenderOffer_019df492-31bc-7cbb-b949-6b2003e174af" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019df492-31bc-701e-b8fc-1af8488af32f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019df492-31bc-701e-b8fc-1af8488af32f" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019df492-31bc-742a-98be-db4a9cd78cd5" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_Security12bTitle_019df492-31bc-742a-98be-db4a9cd78cd5" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019df492-31bc-7366-a80a-7a5f5a674cdc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_TradingSymbol_019df492-31bc-7366-a80a-7a5f5a674cdc" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019df492-31bc-7620-9f7b-c5f0b3154c38" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_EntityEmergingGrowthCompany_019df492-31bc-7620-9f7b-c5f0b3154c38" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019df492-31bc-72e3-a1fb-88243fdc2814" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_EntityCentralIndexKey_019df492-31bc-72e3-a1fb-88243fdc2814" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019df492-31bc-7e1e-a32f-afe735cf11a4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_AmendmentFlag_019df492-31bc-7e1e-a32f-afe735cf11a4" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019df915-1b86-74c2-bafe-c97e26554a39" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_019df492-31bc-7d69-8a15-daa706c31088" xlink:to="loc_dei_SecurityExchangeName_019df915-1b86-74c2-bafe-c97e26554a39" xlink:type="arc" order="21"/>
  </link:definitionLink>
</link:linkbase>
