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)
                               (Amendment No. )*

                                 GameStop Corp.
                                ----------------
                                (Name of Issuer)

                Class A Common Stock, par value $.001 per share
                -----------------------------------------------
                         (Title of Class of Securities)

                                   36467W 10 9
                                 --------------
                                 (CUSIP Number)

                              R. Richard Fontaine
                              625 Westport Parkway
                             Grapevine, Texas 76051
                                 (817) 424-2000
                                 --------------
                 (Name, Address and Telephone Number of Person
               Authorized to Receive Notices and Communications)

                                 October 8, 2005
                                 ---------------
             (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(b) for other
parties to whom copies are to be sent.

* 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 (the "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).


CUSIP No. 36467W 10 9               13D                             Page 2 of 6

_______________________________________________________________________________

     NAME OF  REPORTING  PERSONS
     S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
1
     Leonard Riggio
_______________________________________________________________________________
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                 (a) [  ]
                                                                       (b) [  ]
_______________________________________________________________________________
3    SEC USE ONLY
_______________________________________________________________________________
4    CITIZENSHIP OR PLACE OF ORGANIZATION

     U.S.A.
_______________________________________________________________________________
NUMBER OF       5    SOLE VOTING POWER

SHARES               4,510,000
                _______________________________________________________________
BENEFICIALLY    6    SHARED VOTING POWER

OWNED BY             0
                _______________________________________________________________
EACH            7    SOLE DISPOSITIVE POWER

REPORTING            4,510,000
                _______________________________________________________________
PERSON          8    SHARED DISPOSITIVE POWER

WITH                 0
_______________________________________________________________________________
     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
     4,510,000
_______________________________________________________________________________
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]
_______________________________________________________________________________
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     10.6%
_______________________________________________________________________________
     TYPE OF REPORTING PERSON
12
     IN
_______________________________________________________________________________

CUSIP No. 36467W 10 9               13D                             Page 3 of 6

Item 1.  Security and Issuer.

     This statement on Schedule 13D (the "Schedule 13D") is filed in connection
with the Class A Common Stock, par value $.001 per share (the "Company Class A
Common Stock"), of GameStop Corp. (formerly known as GSC Holdings Corp.), a
Delaware corporation (the "Company), with its principal executive offices at 625
Westport Parkway, Grapevine, Texas 76051.

Item 2.  Identity and Background.

     (a) The statement is filed by Mr. Leonard Riggio (the "Reporting Person").

     (b) The business address of the Reporting Person is:

               Barnes & Noble, Inc.
               122 Fifth Avenue
               New York, NY  10011

     (c) The Reporting Person's principal occupation is Chairman of the Board of
Barnes & Noble, Inc., a retail bookseller with its principal offices located at
122 Fifth Avenue, New York, NY 10011.

     (d) During the last five years, the Reporting Person has not been convicted
in a criminal proceeding (excluding traffic violations or similar misdemeanors).

     (e) During the last five years, the Reporting Person was not a party to a
civil proceeding of a judicial or administrative body of competent jurisdiction
and as a result of such proceeding was or is subject to a judgment, decree or
final order enjoining future violations of, or prohibiting or mandating
activities subject to, federal or state securities laws or finding any violation
with respect to such laws.

     (f) The Reporting Person is a citizen of the United States of America and a
resident of New York.

Item 3.  Source and Amount of Funds or Other Consideration.

     On October 8, 2005, two wholly-owned subsidiaries of the Company merged
with and into GameStop Holdings Corp., formerly known as GameStop Corp.
("Holdings"), and Electronics Boutique Holdings Corp. ("EB"), respectively, and
Holdings and EB became wholly-owned subsidiaries of the Company (the "Mergers").
The Mergers were effected pursuant to the Agreement and Plan of Merger, dated as
of April 17, 2005, by and among Holdings, GameStop, Inc., the Company, Cowboy
Subsidiary LLC, Eagle Subsidiary LLC and EB.

     At the effective time of the Mergers (the "Effective Time"), the securities
owned by Holdings stockholders were converted into the right to receive Company
securities in the following manner: (i) each share of Holdings Class A Common
Stock was converted into the


CUSIP No. 36467W 10 9               13D                             Page 4 of 6

right to receive one share of Company Class A Common Stock; (ii) each share of
Holdings Class B Common Stock was converted into the right to receive one share
of Company Class B Common Stock; (iii) each share of Holdings restricted stock,
whether or not vested immediately prior to the Effective Time, was converted
into the right to receive one share of Company restricted stock on the same
terms and conditions; and (iv) each option to acquire shares of Holdings Class A
Common Stock, whether or not vested immediately prior to the Effective Time, was
converted into the right to receive an option to acquire an equal number of
shares of Company Class A Common Stock on the same terms and conditions.

     Pursuant to, and as a result of, the consummation of the Mergers, the
Reporting Person received (a) an immediately exercisable option to acquire
4,500,000 shares of Company Class A Common Stock (the "Option Shares") at an
exercise price of $4.51 per share in exchange for an immediately exercisable
option to acquire an equal number of Holdings Class A Common Stock at the same
exercise price and (b) 10,000 shares of restricted Company Class A Common Stock
(together with the Option Shares, the "Shares"), which vest in equal
installments on the first and second anniversaries of the original September 8,
2005 grant date.

Item 4.  Purpose of Transaction.
 
     As described in Item 3 above, the Shares beneficially owned by the
Reporting Person were acquired upon the conversion of shares of restricted
Holdings Class A Common Stock and options to acquire Holdings Class A Common
Stock pursuant to the Mergers.

     The Reporting Person has no current plans or proposals with respect to any
of the items described in (a) through (j) of Item 4.

Item 5.  Interest in Securities of the Issuer.

     (a) The Reporting Person beneficially owns 4,510,000 shares of Company
Class A Common Stock, or 10.6% of the Company Class A Common Stock issued and
outstanding as of October 10, 2005. The Reporting Person has a right to acquire
all of the Shares. After giving effect to the Company Class B Common Stock
outstanding as of October 10, 2005, the Shares would constitute a 6.2%
economic interest, and a 1.3% voting interest, in the Company.

     (b) The Reporting Person has the sole power to vote or direct the vote of
all of the Shares.

     (c) Except as described herein, the Reporting Person has not effected any
transactions in the Shares during the past sixty days.

     (d) No other person has the right to receive or the power to direct the
receipt of dividends from, or the proceeds from the sale of, the Shares.

     (e) Not applicable.

Item 6.  Contracts, Arrangements, Understandings or Relationships with Respect
         to Securities of the Issuer


CUSIP No. 36467W 10 9               13D                             Page 5 of 6

     Not applicable.

Item 7.  Material to be Filed as Exhibits

     Not applicable.



CUSIP No. 36467W 10 9               13D                             Page 6 of 6

                                   Signatures

     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
accurate.


                                               /s/ Leonard Riggio
                                               ---------------------------
                                               Leonard Riggio

Dated: October 12, 2005