UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  -------------

                                  SCHEDULE 13D
                                 (Rule 13d-101)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
            TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO
                                  RULE 13d-2(a)

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 2)*


                             CEC Entertainment, Inc.
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                                (Name of Issuer)

                     Common Stock, par value $.10 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    125137109
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                                 (CUSIP Number)

                              Thomas R. Hudson Jr.
                               Pirate Capital LLC
                        200 Connecticut Avenue, 4th Floor
                                Norwalk, CT 06854
                                 (203) 854-1100
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                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                 August 22, 2006
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             (Date of Event which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following
box. [ ]

NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
to whom copies are to be sent.

                         (Continued on following pages)

                               (Page 1 of 5 Pages)

--------------------------

*   The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter disclosures provided in a prior cover page.
    The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).



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CUSIP NO. 125137109                SCHEDULE 13D                PAGE 2 OF 5 PAGES
-------------------                                            -----------------


--------------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY).

     PIRATE CAPITAL LLC
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
     (a)  |_|
     (b)  |X|
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3    SEC USE ONLY


--------------------------------------------------------------------------------
4    SOURCE OF FUNDS*

     AF
--------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)                                   |_|


--------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     Delaware
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               7    SOLE VOTING POWER

                    -0-
               -----------------------------------------------------------------
  NUMBER OF    8    SHARED VOTING POWER
   SHARES
BENEFICIALLY        3,000,230
  OWNED BY     -----------------------------------------------------------------
    EACH       9    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           -0-
    WITH       -----------------------------------------------------------------
               10   SHARED DISPOSITIVE POWER

                    3,000,230
--------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     3,000,230
--------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
     |_|


--------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     9.0%
--------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*

     IA
--------------------------------------------------------------------------------
                     * SEE INSTRUCTIONS BEFORE FILLING OUT!


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CUSIP NO. 125137109                SCHEDULE 13D                PAGE 3 OF 5 PAGES
-------------------                                            -----------------


--------------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY).

     THOMAS R. HUDSON JR.
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
     (a)  |_|
     (b)  |X|
--------------------------------------------------------------------------------
3    SEC USE ONLY


--------------------------------------------------------------------------------
4    SOURCE OF FUNDS*

     AF
--------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)                                   |_|


--------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     United States of America
--------------------------------------------------------------------------------
               7    SOLE VOTING POWER

                    -0-
               -----------------------------------------------------------------
  NUMBER OF    8    SHARED VOTING POWER
   SHARES
BENEFICIALLY        3,000,230
  OWNED BY     -----------------------------------------------------------------
    EACH       9    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           -0-
    WITH       -----------------------------------------------------------------
               10   SHARED DISPOSITIVE POWER

                    3,000,230
--------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     3,000,230
--------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
     |_|


--------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     9.0%
--------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*

     IN
--------------------------------------------------------------------------------
                     * SEE INSTRUCTIONS BEFORE FILLING OUT!



-------------------                                            -----------------
CUSIP NO. 125137109                SCHEDULE 13D                PAGE 4 OF 5 PAGES
-------------------                                            -----------------

The Schedule 13D filed on April 20, 2006 by Pirate Capital LLC, a Delaware
limited liability company, and Thomas R. Hudson Jr. (together, the "Reporting
Persons"), relating to the shares of common stock, par value $.10 per share (the
"Common Stock"), of CEC Entertainment, Inc. (the "Issuer"), as amended by
Amendment No. 1 on July 17, 2006, is hereby amended as set forth below by this
Amendment No. 2. The principal executive office of the Issuer is located at 4441
West Airport Freeway, Irving, Texas 75062.

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

Item 3 is hereby amended and restated as follows:

      Funds for the purchase of the Shares reported herein were derived from
available capital of the Holders (as defined below). A total of approximately
$96,264,133 was paid to acquire such Shares.

ITEM 5. INTEREST IN SECURITIES OF THE ISSUER

      Paragraphs (a), (b) and (c) of Item 5 are hereby amended and restated as
follows:

      (a) The Reporting Persons beneficially own 3,000,230 Shares, constituting
approximately 9.0% of the Shares outstanding.

      The aggregate percentage of Shares beneficially owned by the Reporting
Persons is based upon 33,289,098 Shares outstanding, which is the total number
of Shares outstanding as reported in the Issuer's Quarterly Report on Form 10-Q
for the quarter ended April 2, 2006.

      (b) By virtue of its position as general partner of Jolly Roger Fund LP,
Pirate Capital has the power to vote or direct the voting, and to dispose or
direct the disposition, of all of the 367,700 Shares held by Jolly Roger Fund
LP. By virtue of agreements with Jolly Roger Offshore Fund LTD and Jolly Roger
Activist Portfolio Company LTD (such funds, together with Jolly Roger Fund LP,
the "Holders"), Pirate Capital has the power to vote or direct the voting, and
to dispose or direct the disposition, of all of the 2,632,530 Shares held by
Jolly Roger Offshore Fund LTD and Jolly Roger Activist Portfolio Company LTD. By
virtue of his position as sole Managing Member of Pirate Capital, Thomas R.
Hudson Jr. is deemed to have shared voting power and shared dispositive power
with respect to all Shares as to which Pirate Capital has voting power or
dispositive power. Accordingly, Pirate Capital and Thomas R. Hudson Jr. are
deemed to have shared voting and shared dispositive power with respect to an
aggregate of 3,000,230 Shares.

      (c) The following transactions in the Shares were effected by the
Reporting Persons since the last filing of this Schedule 13D, each of which was
effected in open market transactions.

Jolly Roger Activist Portfolio Company LTD

Trade Date          Shares Purchased (Sold)      Price per Share ($)
----------          -----------------------      -------------------
7/18/2006                     1,500                    28.30
7/20/2006                     5,000                    28.88
8/22/2006                    50,000                    30.99
8/23/2006                    25,000                    30.75
8/24/2006                    61,500                    30.70
8/29/2006                    19,000                    30.99


Jolly Roger Offshore Fund LTD

Trade Date          Shares Purchased (Sold)      Price per Share ($)
----------          -----------------------      -------------------
8/10/2006                    10,000                    28.95
8/10/2006                     5,000                    28.98
8/11/2006                     1,654                    28.85
8/11/2006                       600                    28.85
8/11/2006                     4,200                    28.83
8/14/2006                    50,000                    29.89
8/15/2006                    75,000                    30.00
8/15/2006                    68,200                    30.00
8/16/2006                    26,877                    30.13
8/17/2006                    38,200                    30.80
8/18/2006                    25,000                    31.03
8/18/2006                    10,000                    31.05
8/21/2006                     7,900                    30.80
8/25/2006                    50,000                    30.59
8/28/2006                    30,000                    30.89



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CUSIP NO. 125137109                SCHEDULE 13D                PAGE 5 OF 5 PAGES
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                                   SIGNATURES

      After reasonable inquiry and to the best of each of the undersigned's
knowledge and belief, each of the undersigned certifies that the information set
forth in this statement is true, complete and correct.

Dated: August 29, 2006


                                           PIRATE CAPITAL LLC


                                           By: /s/ Thomas R. Hudson Jr.
                                               ---------------------------
                                               Name:  Thomas R. Hudson Jr.
                                               Title: Managing Member

                                               /s/ Thomas R. Hudson Jr.
                                               ---------------------------
                                               Thomas R. Hudson Jr.