<XBRL>
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<!-- Generated by Fujitsu XWand B0126 -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:atvi="http://www.activisionblizzard.com/20090930" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<link:roleRef roleURI="http://www.activisionblizzard.com/role/BalanceSheet" xlink:href="atvi-20090930.xsd#BalanceSheet" xlink:type="simple"/>
<link:roleRef roleURI="http://www.activisionblizzard.com/role/StatementOfStockholdersEquity" xlink:href="atvi-20090930.xsd#StatementOfStockholdersEquity" xlink:type="simple"/>
<link:roleRef roleURI="http://www.activisionblizzard.com/role/CashFlows" xlink:href="atvi-20090930.xsd#CashFlows" xlink:type="simple"/>
<link:roleRef roleURI="http://www.activisionblizzard.com/role/StatementOfIncome" xlink:href="atvi-20090930.xsd#StatementOfIncome" xlink:type="simple"/>
<link:roleRef roleURI="http://www.activisionblizzard.com/role/StatementOfStockholdersEquityCalc2" xlink:href="atvi-20090930.xsd#RT_1" xlink:type="simple"/>
<link:calculationLink xlink:role="http://www.activisionblizzard.com/role/BalanceSheet" xlink:type="extended">
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" xlink:type="locator"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent" xlink:type="locator"/>
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<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" xlink:type="locator"/>
<link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to CashAndCashEquivalentsAtCarryingValue" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent" xlink:type="locator"/>
<link:calculationArc order="3.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to AccountsReceivableNetCurrent" xlink:to="AccountsReceivableNetCurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InventoryNet" xlink:label="InventoryNet" xlink:title="InventoryNet" xlink:type="locator"/>
<link:calculationArc order="4.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to InventoryNet" xlink:to="InventoryNet" xlink:type="arc"/>
<link:loc xlink:href="atvi-20090930.xsd#atvi_SoftwareDevelopmentCurrent" xlink:label="SoftwareDevelopmentCurrent" xlink:title="SoftwareDevelopmentCurrent" xlink:type="locator"/>
<link:calculationArc order="5.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to SoftwareDevelopmentCurrent" xlink:to="SoftwareDevelopmentCurrent" xlink:type="arc"/>
<link:loc xlink:href="atvi-20090930.xsd#atvi_IntellectualPropertyLicensesCurrent" xlink:label="IntellectualPropertyLicensesCurrent" xlink:title="IntellectualPropertyLicensesCurrent" xlink:type="locator"/>
<link:calculationArc order="6.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to IntellectualPropertyLicensesCurrent" xlink:to="IntellectualPropertyLicensesCurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="DeferredTaxAssetsNetCurrent" xlink:title="DeferredTaxAssetsNetCurrent" xlink:type="locator"/>
<link:calculationArc order="7.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to DeferredTaxAssetsNetCurrent" xlink:to="DeferredTaxAssetsNetCurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IntangibleAssetsCurrent" xlink:label="IntangibleAssetsCurrent" xlink:title="IntangibleAssetsCurrent" xlink:type="locator"/>
<link:calculationArc order="8.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to IntangibleAssetsCurrent" xlink:to="IntangibleAssetsCurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="OtherAssetsCurrent" xlink:title="OtherAssetsCurrent" xlink:type="locator"/>
<link:calculationArc order="9.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to OtherAssetsCurrent" xlink:to="OtherAssetsCurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MarketableSecuritiesCurrent" xlink:label="MarketableSecuritiesCurrent" xlink:title="MarketableSecuritiesCurrent" xlink:type="locator"/>
<link:calculationArc order="2.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to MarketableSecuritiesCurrent" xlink:to="MarketableSecuritiesCurrent" xlink:type="arc"/>
<link:loc xlink:href="atvi-20090930.xsd#atvi_SoftwareDevelopmentNoncurrent" xlink:label="SoftwareDevelopmentNoncurrent" xlink:title="SoftwareDevelopmentNoncurrent" xlink:type="locator"/>
<link:calculationArc order="3.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to SoftwareDevelopmentNoncurrent" xlink:to="SoftwareDevelopmentNoncurrent" xlink:type="arc"/>
<link:loc xlink:href="atvi-20090930.xsd#atvi_IntellectualPropertyLicensesNoncurrent" xlink:label="IntellectualPropertyLicensesNoncurrent" xlink:title="IntellectualPropertyLicensesNoncurrent" xlink:type="locator"/>
<link:calculationArc order="4.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to IntellectualPropertyLicensesNoncurrent" xlink:to="IntellectualPropertyLicensesNoncurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet" xlink:type="locator"/>
<link:calculationArc order="5.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to PropertyPlantAndEquipmentNet" xlink:to="PropertyPlantAndEquipmentNet" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent" xlink:type="locator"/>
<link:calculationArc order="6.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to OtherAssetsNoncurrent" xlink:to="OtherAssetsNoncurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Goodwill" xlink:label="Goodwill" xlink:title="Goodwill" xlink:type="locator"/>
<link:calculationArc order="9.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to Goodwill" xlink:to="Goodwill" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="FiniteLivedIntangibleAssetsNet" xlink:title="FiniteLivedIntangibleAssetsNet" xlink:type="locator"/>
<link:calculationArc order="7.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to FiniteLivedIntangibleAssetsNet" xlink:to="FiniteLivedIntangibleAssetsNet" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent" xlink:label="AvailableForSaleSecuritiesDebtSecuritiesNoncurrent" xlink:title="AvailableForSaleSecuritiesDebtSecuritiesNoncurrent" xlink:type="locator"/>
<link:calculationArc order="2.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to AvailableForSaleSecuritiesDebtSecuritiesNoncurrent" xlink:to="AvailableForSaleSecuritiesDebtSecuritiesNoncurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:title="IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:type="locator"/>
<link:calculationArc order="8.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:to="IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" xlink:type="locator"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities" xlink:type="locator"/>
<link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:title="calculation: LiabilitiesAndStockholdersEquity to Liabilities" xlink:to="Liabilities" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="DeferredTaxLiabilitiesNoncurrent" xlink:title="DeferredTaxLiabilitiesNoncurrent" xlink:type="locator"/>
<link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Liabilities" xlink:title="calculation: Liabilities to DeferredTaxLiabilitiesNoncurrent" xlink:to="DeferredTaxLiabilitiesNoncurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="OtherLiabilitiesNoncurrent" xlink:title="OtherLiabilitiesNoncurrent" xlink:type="locator"/>
<link:calculationArc order="3.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Liabilities" xlink:title="calculation: Liabilities to OtherLiabilitiesNoncurrent" xlink:to="OtherLiabilitiesNoncurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" xlink:type="locator"/>
<link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Liabilities" xlink:title="calculation: Liabilities to LiabilitiesCurrent" xlink:to="LiabilitiesCurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="DeferredRevenueCurrent" xlink:title="DeferredRevenueCurrent" xlink:type="locator"/>
<link:calculationArc order="2.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to DeferredRevenueCurrent" xlink:to="DeferredRevenueCurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="AccountsPayableCurrent" xlink:title="AccountsPayableCurrent" xlink:type="locator"/>
<link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to AccountsPayableCurrent" xlink:to="AccountsPayableCurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="AccruedLiabilitiesCurrent" xlink:title="AccruedLiabilitiesCurrent" xlink:type="locator"/>
<link:calculationArc order="3.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to AccruedLiabilitiesCurrent" xlink:to="AccruedLiabilitiesCurrent" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="locator"/>
<link:calculationArc order="2.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:title="calculation: LiabilitiesAndStockholdersEquity to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue" xlink:type="locator"/>
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<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit" xlink:type="locator"/>
<link:calculationArc order="4.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to RetainedEarningsAccumulatedDeficit" xlink:to="RetainedEarningsAccumulatedDeficit" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="locator"/>
<link:calculationArc order="5.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="TreasuryStockValue" xlink:title="TreasuryStockValue" xlink:type="locator"/>
<link:calculationArc order="3.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to TreasuryStockValue" xlink:to="TreasuryStockValue" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="AdditionalPaidInCapitalCommonStock" xlink:title="AdditionalPaidInCapitalCommonStock" xlink:type="locator"/>
<link:calculationArc order="2.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to AdditionalPaidInCapitalCommonStock" xlink:to="AdditionalPaidInCapitalCommonStock" xlink:type="arc"/>
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<link:calculationLink xlink:role="http://www.activisionblizzard.com/role/StatementOfIncome" xlink:type="extended">
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" xlink:type="locator"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="locator"/>
<link:calculationArc order="1.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:title="calculation: ProfitLoss to IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" xlink:type="locator"/>
<link:calculationArc order="1.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to OperatingIncomeLoss" xlink:to="OperatingIncomeLoss" xlink:type="arc"/>
<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="CostsAndExpenses" xlink:title="CostsAndExpenses" xlink:type="locator"/>
<link:calculationArc order="2.0" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:title="calculation: OperatingIncomeLoss to CostsAndExpenses" xlink:to="CostsAndExpenses" xlink:type="arc"/>
<link:loc xlink:href="atvi-20090930.xsd#atvi_CostOfSalesProductCosts" xlink:label="CostOfSalesProductCosts" xlink:title="CostOfSalesProductCosts" xlink:type="locator"/>
<link:calculationArc order="1.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsAndExpenses" xlink:title="calculation: CostsAndExpenses to CostOfSalesProductCosts" xlink:to="CostOfSalesProductCosts" xlink:type="arc"/>
<link:loc xlink:href="atvi-20090930.xsd#atvi_CostOfSalesSoftwareRoyaltiesAndAmortization" xlink:label="CostOfSalesSoftwareRoyaltiesAndAmortization" xlink:title="CostOfSalesSoftwareRoyaltiesAndAmortization" xlink:type="locator"/>
<link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsAndExpenses" xlink:title="calculation: CostsAndExpenses to CostOfSalesSoftwareRoyaltiesAndAmortization" xlink:to="CostOfSalesSoftwareRoyaltiesAndAmortization" xlink:type="arc"/>
<link:loc xlink:href="atvi-20090930.xsd#atvi_CostOfSalesIntellectualPropertyLicenses" xlink:label="CostOfSalesIntellectualPropertyLicenses" xlink:title="CostOfSalesIntellectualPropertyLicenses" xlink:type="locator"/>
<link:calculationArc order="3.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsAndExpenses" xlink:title="calculation: CostsAndExpenses to CostOfSalesIntellectualPropertyLicenses" xlink:to="CostOfSalesIntellectualPropertyLicenses" xlink:type="arc"/>
<link:loc xlink:href="atvi-20090930.xsd#atvi_CostOfSalesMassivelyMultiplayerOnlineGame" xlink:label="CostOfSalesMassivelyMultiplayerOnlineGame" xlink:title="CostOfSalesMassivelyMultiplayerOnlineGame" xlink:type="locator"/>
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<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="ResearchAndDevelopmentExpense" xlink:title="ResearchAndDevelopmentExpense" xlink:type="locator"/>
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<link:calculationArc order="8.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsAndExpenses" xlink:title="calculation: CostsAndExpenses to RestructuringCharges" xlink:to="RestructuringCharges" xlink:type="arc"/>
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<link:loc xlink:href="atvi-20090930.xsd#atvi_SubscriptionLicensingAndOtherRevenues" xlink:label="SubscriptionLicensingAndOtherRevenues" xlink:title="SubscriptionLicensingAndOtherRevenues" xlink:type="locator"/>
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<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="DeferredIncomeTaxExpenseBenefit" xlink:title="DeferredIncomeTaxExpenseBenefit" xlink:type="locator"/>
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<link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="DepreciationAndAmortization" xlink:title="DepreciationAndAmortization" xlink:type="locator"/>
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<link:loc xlink:href="atvi-20090930.xsd#atvi_AmortizationAndWriteOffsOfCapitalizedSoftwareDevelopmentCostsAndIntellectualPropertyLicenses" xlink:label="AmortizationAndWriteOffsOfCapitalizedSoftwareDevelopmentCostsAndIntellectualPropertyLicenses" xlink:title="AmortizationAndWriteOffsOfCapitalizedSoftwareDevelopmentCostsAndIntellectualPropertyLicenses" xlink:type="locator"/>
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<link:loc xlink:href="atvi-20090930.xsd#atvi_UnrealizedGainLossOnPutOption" xlink:label="UnrealizedGainLossOnPutOption" xlink:title="UnrealizedGainLossOnPutOption" xlink:type="locator"/>
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<link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to ProfitLoss" xlink:to="ProfitLoss" xlink:type="arc"/>
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<link:calculationArc order="9.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to TaxBenefitFromStockOptionsExercised" xlink:to="TaxBenefitFromStockOptionsExercised" xlink:type="arc"/>
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