Activision Blizzard (ATVI)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We hereby consent to the incorporation by reference in the Registration Statements on Form S-4 (No. 333-101304) and Form S-8 (Nos. 333-06130, 333-06054, 333-40727, 333-61573, 033-48411, 033-63638, 033-91074, 333-85383, 333-58922, 333-72014, 333-87810, 333-100114, 333-100115, 333-103323, 333-106487, 333-111131, 333-146431 and 333-153661) of Activision Blizzard, Inc. of our report dated February 27, 2009 relating to the consolidated financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Los Angeles, California
February 27, 2009

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Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We hereby consent to the incorporation by reference in the Registration Statements on Form S-4
(No. 333-101304) and Form S-8 (Nos. 333-06130, 333-06054, 333-40727, 333-61573, 033-48411,
033-63638, 033-91074, 333-85383, 333-58922, 333-72014, 333-87810, 333-100114, 333-100115,
333-103323, 333-106487, 333-111131, 333-146431 and 333-153661) of Activision Blizzard, Inc. of our report dated February 27,
2009 relating to the consolidated financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this
Form 10-K.

/s/
PricewaterhouseCoopers LLP

Los
Angeles, California

February 27, 2009

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Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-30303, 333-36949, 333-43961, 333-46425, 333-56879, 333-61571, 333-67707, 033-68144, 333-85385, 333-96079, 333-94509, 333-66280, 333-71682, 333-74460, 333-76840, 333-86166, 333-89550, 333-89880, 333-101271, and 333-101301), Form S-4 (No. 333-101304) and Form S-8 (Nos. 333-06130, 333-12621, 333-06054, 333-40727, 333-61573, 333-81239, 033-48411, 033-63638, 033-91074, 333-85383, 333-36272, 333-58922, 333-72014, 333-87810, 333-100097, 333-100114, 333-100115, 333-103320, 333-103323, 333-106487, 333-111131, 333-129437, 333-129438 and 333-146431) of Activision, Inc. of our report dated May 30, 2008, relating to the consolidated financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in Activision, Inc.’s Annual Report on Form 10-K for the year ended March 31, 2008.

PricewaterhouseCoopers LLP

Los Angeles, California

June 5, 2008

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-06130, 333-12621, 333-06054, 333-40727, 333-61573, 333-81239, 033-48411, 033-63638, 033-91074, 333-85383, 333-36272, 333-58922, 333-72014, 333-87810, 333-100097, 333-100114, 333-100115, 333-103320, 333-103323, 333-106487, 333-111131, 333-129437, 333-129438 and 333-146431) of Activision, Inc. of our report dated May 30, 2008 relating to the consolidated financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

PricewaterhouseCoopers LLP
Los Angeles, California
May 30, 2008

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Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-06130,
333-12621, 333-06054, 333-40727, 333-61573, 333-81239, 033-48411, 033-63638, 033-91074,
333-85383, 333-36272, 333-58922, 333-72014, 333-87810, 333-100097, 333-100114, 333-100115,
333-103320, 333-103323, 333-106487, 333-111131, 333-129437, 333-129438 and 333-146431) of Activision, Inc. of
our report dated May 30, 2008 relating to the consolidated financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears
in this Form 10-K.

PricewaterhouseCoopers LLP

Los Angeles, California

May 30, 2008

QuickLinks

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-06130, 333-12621, 333-06054, 333-40727, 333-61573, 333-81239, 033-48411, 033-63638, 033-91074, 333-85383, 333-36272, 333-58922, 333-72014, 333-87810, 333-100097, 333-100114, 333-100115, 333-103320, 333-103323, 333-106487, 333-111131, 333-129437, and 333-129438) of Activision, Inc. of our report dated June 14, 2007 relating to the consolidated financial statements, financial statement schedule, management’s assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-06130, 333-12621, 333-06504, 333-40727, 333-61573, 333-81239, 033-48411, 033-63638, 033-91074, 333-85383, 333-36272, 333-58922, 333-72014, 333-87810, 333-100097, 333-100144, 333-100115, 333-103320, 333-103323, 333-106487, 333-111131, 333-129437, and 333-129438) of Activision, Inc. of our report dated June 9, 2006, except for the restatement described in Note 2 to the consolidated financial statements and the matter described in the third paragraph of Management’s Report on Internal Control Over Financial Reporting, as to which the date is May 25, 2007 relating to the consolidated financial statements, financial statement schedule, management’s assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in Activision, Inc’s Annual Report on Form 10-K/A for the year ended March 31, 2006.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-30303, 333-36949, 333-43961, 333-46425, 333-56879, 333-61571, 333-67707, 033-68144, 033-75878, 333-85385, 333-96079, 333-94509, 333-66280, 333-71682, 333-74460, 333-76840, 333-86166, 333-89550, 333-89880, 333-101271, and 333-101301), Form S-4 (No. 333-101304) and Form S-8 (Nos. 333-06130, 333-12621, 333-06054, 333-40727, 333-61573, 333-81239, 033-48411, 033-63638, 033-91074, 333-85383, 333-36272, 333-58922, 333-72014, 333-87810, 333-100097, 333-100114, 333-100115, 333-103320, 333-103323, 333-106487, 333-111131, 333-129437, and 333-129438,) of Activision, Inc. of our report dated June 9, 2006, relating to the consolidated financial statements, financial statement schedule, management’s assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

PricewaterhouseCoopers LLP
Los Angeles, California
June 9, 2006

1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-30303, 333-36949, 333-43961, 333-46425, 333-56879, 333-61571, 333-67707, 033-68144, 033-75878, 333-85385, 333-96079, 333-94509, 333-66280, 333-71682, 333-74460, 333-76840, 333-86166, 333-89550, 333-89880, 333-101271 and 333-101301), Form S-4 (No. 333-101304) and Form S-8 (Nos. 333-06130, 333-12621, 333-06054, 333-40727, 333-61573, 333-81239, 033-48411, 033-63638, 033-91074, 333-85383, 333-36272, 333-58922, 333-72014, 333-87810, 333-100097, 333-100114, 333-100115, 333-103320, 333-103323, 333-106487 and 333-111131) of Activision, Inc. of our report dated June 7, 2005, relating to the consolidated financial statements, financial statement schedule, management’s assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

PricewaterhouseCoopers LLP
Los Angeles, California
June 7, 2005