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

                                  SCHEDULE 13D

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 4)*


                            ACRES GAMING INCORPORATED
                                (NAME OF ISSUER)

                                  COMMON STOCK
                         (TITLE OF CLASS OF SECURITIES)

                                    004936100
                                 (CUSIP NUMBER)

                                 SARA BETH BROWN
                    SENIOR VICE PRESIDENT AND GENERAL COUNSEL
                          INTERNATIONAL GAME TECHNOLOGY
                              9295 PROTOTYPE DRIVE
                               RENO, NEVADA 89510
                                 (775) 448-7777
           (NAME, ADDRESS AND TELEPHONE NUMBER OF PERSON AUTHORIZED TO
                       RECEIVE NOTICES AND COMMUNICATIONS)

                                JANUARY 28, 2002
             (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 which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(3) or (4), check the following box: [ ]

*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).



CUSIP NO. 004936100
--------------------------------------------------------------------------------

1       NAME OF REPORTING PERSONS, I.R.S. Identification Nos. of Above Persons
               IGT

2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
        (a)    [ ]
        (b)    [ ]

3       SEC USE ONLY

4       SOURCE OF FUNDS (See Instructions)
               Not applicable

5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
        PURSUANT TO ITEMS 2(d) or 2(e)                                [N/A]

6       CITIZENSHIP OR PLACE OF ORGANIZATION
               Nevada

                             7      SOLE VOTING POWER
                                    None - See footnote 1
NUMBER OF
SHARES                       8      SHARED VOTING POWER
BENEFICIALLY                        None
OWNED BY
EACH                         9      SOLE DISPOSITIVE POWER
REPORTING                           None - See footnote 1
PERSON
WITH                         10     SHARED DISPOSITIVE POWER
                                    None

11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        None - See footnote 1

12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
        CERTAIN SHARES                                                [ ]

13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
        None

14      TYPE OF REPORTING PERSON
        CO


----------

(1) On 1/28/97 IGT, a wholly owned subsidiary of International Game Technology,
    purchased 519,481 of Issuer's Series A Convertible Preferred Stock (the
    "Series A Preferred Stock"). On December 26, 2001, IGT sent to Issuer a
    Redemption Notice requesting that Issuer redeem all of the shares of Series
    A Preferred Stock owned by IGT. The Redemption Notice set January 28, 2002
    as the redemption date. On January 28, 2002, Issuer redeemed all 519,481
    shares of Series A Preferred Stock owned by IGT for an aggregate redemption
    price of $5,000,004 (Five Million Four Dollars).



1.      NAME OF REPORTING PERSONS, I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

        INTERNATIONAL GAME TECHNOLOGY

2.      CHECK THE APPROPRIATE BOX IF MEMBER OF A GROUP (SEE INSTRUCTIONS)
        (A)    [ ]
        (B)    [ ]

3.      SEC USE ONLY

4       SOURCE OF FUNDS (See Instructions)
               Not applicable

5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
        PURSUANT TO ITEMS 2(d) or 2(e)                                [N/A]

6       CITIZENSHIP OR PLACE OF ORGANIZATION
               Nevada

                             7      SOLE VOTING POWER
                                    None - See footnote 1
NUMBER OF
SHARES                       8      SHARED VOTING POWER
BENEFICIALLY                        None
OWNED BY
EACH                         9      SOLE DISPOSITIVE POWER
REPORTING                           None - See footnote 1
PERSON
WITH                         10     SHARED DISPOSITIVE POWER
                                    None

11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        None - See footnote 1

12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
        CERTAIN SHARES                                                [ ]

13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
        None

14      TYPE OF REPORTING PERSON
        CO



INTRODUCTORY STATEMENT:

        This Amendment No. 4 is being filed to report that on January 28, 2002,
Acres Gaming Incorporated, a Nevada corporation (the "Issuer"), redeemed all of
the shares of Series A Preferred Stock owned by IGT, a Nevada corporation
("IGT"). The redemption price for the 519,481 shares owned by IGT was $5,000,004
(Five Million Four Dollars).

        Items 1 through 7 are hereby amended and restated in their entirety to
        read as follows:

ITEM 1.  SECURITY AND ISSUER

        This Schedule 13D relates to the Series A Convertible Preferred Stock,
$.01 par value per share, (the "Series A Preferred Stock"), of Issuer, which has
its principal executive offices located at 7115 Amigo, Suite 150, Las Vegas,
Nevada 89119.

ITEM 2.  IDENTITY AND BACKGROUND

        This Statement is filed on behalf of International Game Technology, a
Nevada corporation (the "Company") and IGT, a wholly owned subsidiary of the
Company. The Company and IGT design, develop and manufacture
microprocessor-based gaming products and software systems, and have their
principal business address and principal offices at 9295 Prototype, Reno, Nevada
89510.

        The directors and executive officers of the Company are set forth as
follows:



                                                      PRINCIPAL         NAME & ADDRESS OF CORP.
                            HOME OR BUSINESS        OCCUPATION OR       OR OTHER ORG. IN WHICH
         NAME                   ADDRESS              EMPLOYMENT                EMPLOYED
         ----               ----------------        -------------       ----------------------
                                                             
G. Thomas Baker          9295 Prototype Drive    Chief Executive      International Game
                         Reno, NV 89510          Officer, President   Technology
                                                 and Chief            9295 Prototype Dr.
                                                 Operating Officer    Reno, NV 89510

Maureen Mullarkey        9295 Prototype Drive    Senior Vice          International Game
                         Reno, NV 89510          President of         Technology
                                                 Finance, Chief       9295 Prototype Dr.
                                                 Financial Officer    Reno, NV 89510
                                                 and Treasurer

Charles N. Mathewson     9295 Prototype Drive    Chairman             International Game
                         Reno, NV  89510                              Technology
                                                                      9295 Prototype Dr.
                                                                      Reno, NV 89510

Sara Beth Brown          9295 Prototype Drive    Senior Vice          International Game
                         Reno, NV 89510          President, General   Technology
                                                 Counsel and          9295 Prototype Dr.
                                                 Secretary            Reno, NV 89510






                                                      PRINCIPAL         NAME & ADDRESS OF CORP.
                            HOME OR BUSINESS        OCCUPATION OR       OR OTHER ORG. IN WHICH
         NAME                   ADDRESS              EMPLOYMENT                EMPLOYED
         ----               ----------------        -------------       ----------------------
                                                             
Robert A. Bittman        9295 Prototype Drive    Executive Vice       International Game
                         Reno, NV 89510          President, Product   Technology
                                                 Development, and     9295 Prototype Dr.
                                                 Director of the      Reno, NV 89510
                                                 Company

Wilbur K. Keating        9295 Prototype Drive    Administrative       International Game
                         Reno, NV 89510          Officer for the      Technology
                                                 National             9295 Prototype Dr.
                                                 Association of       Reno, NV 89510
                                                 State Retirement
                                                 Administration and
                                                 Director of the
                                                 Company

Robert Miller            9295 Prototype Drive    Senior Partner at    International Game
                         Reno, NV 89510          the law firm of      Technology
                                                 Jones Vargas and     9295 Prototype Dr.
                                                 Director of the      Reno, NV 89510
                                                 Company

Frederick B. Rentschler  9295 Prototype Drive    Retired in 1991      International Game
                         Reno, NV 89510          from position as     Technology
                                                 President and CEO    9295 Prototype Dr.
                                                 of Northwest         Reno, NV 89510
                                                 Airlines.
                                                 Director of the
                                                 Company

Anthony Ciorciari        9295 Prototype Drive    Senior Vice          International Game
                         Reno, NV 89510          President,           Technology
                                                 Operations           9295 Prototype Dr.
                                                                      Reno, NV 89510

Richard Pennington       9295 Prototype Drive    Senior Vice          International Game
                         Reno, NV 89510          President, Product   Technology
                                                 Management           9295 Prototype Dr.
                                                                      Reno, NV 89510

Ward Chilton             9295 Prototype Drive    Senior Vice          International Game
                         Reno, NV 89510          President, North     Technology
                                                 America Sales        9295 Prototype Dr.
                                                                      Reno, NV 89510




The directors and executive officers of IGT are set forth as follows:



                                                                            NAME & ADDRESS OF
                             HOME OR BUSINESS      PRINCIPAL OCCUPATION   CORP. OR OTHER ORG. IN
          NAME                   ADDRESS              OR EMPLOYMENT           WHICH EMPLOYED
          ----               ----------------      --------------------   ----------------------
                                                                 
Charles N. Mathewson      9295 Prototype Drive    Chairman                IGT
                          Reno, NV 89510                                  9295 Prototype Dr.
                                                                          Reno, NV 89510

G. Thomas Baker           9295 Prototype Drive    Chief Executive         IGT
                          Reno, NV 89510          Officer, President,     9295 Prototype Dr.
                                                  Chief Operating         Reno, NV 89510
                                                  Officer and Director

Sara Beth Brown           9295 Prototype Drive    Senior Vice             IGT
                          Reno, NV 89510          President, General      9295 Prototype Dr.
                                                  Counsel, Secretary      Reno, NV 89510
                                                  and Director

Maureen Mullarkey         9295 Prototype Drive    Senior Vice President   IGT
                          Reno, NV 89510          of Finance, Chief       9295 Prototype Dr.
                                                  Financial Officer and   Reno, NV 89510
                                                  Treasurer


        During the last five years, no person named above has been (a) convicted
in a criminal proceeding (excluding traffic violations and similar misdemeanors)
or (b) was 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.

        All of the directors and executive officers of the Company and IGT are
citizens of the United States.

ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

        Not Applicable.

ITEM 4.  PURPOSE OF TRANSACTION

        On December 26, 2001, IGT sent to Issuer a redemption notice requesting
that Issuer redeem all of the shares of Series A Preferred Stock owned by IGT.
On January 28, 2002, Issuer redeemed all of the Series A Preferred Stock owned
by IGT. The redemption price for the 519,481 shares owned by IGT was $5,000,004
(Five Million Four Dollars).

ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER

        (a) Number and Percentage of Shares IGT owns: None. On January 28, 2002,
Issuer redeemed all 519,481 shares of Issuer's Series A Convertible Preferred
Stock owned by IGT.

        (b) Power to Vote: Not applicable.



        (c) Transactions Effected Since Last Schedule 13D Filing: See response
to Item 5(a) above.

        (d) Right to Receive Proceeds: Not applicable.

        (e) Date Company and IGT Ceased to be Beneficial Owners of 5%: January
28, 2002.

ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO
SECURITIES OF THE ISSUER

        On December 26, 2001, IGT sent to Issuer a Redemption Notice requesting
Issuer to redeem all of the shares of Series A Preferred Stock owned by IGT. On
January 28, 2002, Issuer redeemed all of the shares of Series A Preferred Stock
owned by IGT (519,481 shares) for an aggregate redemption price of $5,000,004,
and IGT ceased to be a shareholder of the Issuer.

ITEM 7.  MATERIAL TO BE FILED AS EXHIBITS

        Redemption Notice
        Purchase Contract
        Certificate of Designation of Preferred Stock

        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
correct.

Dated:  February 1, 2002                IGT



                                        By:  /s/ Sarah Beth Brown
                                             -----------------------------------
                                             Sarah Beth Brown
                                             Senior Vice President and General
                                             Counsel


                                        INTERNATIONAL GAME TECHNOLOGY



                                        By:  /s/ Sarah Beth Brown
                                             -----------------------------------
                                             Sarah Beth Brown
                                             Senior Vice President and General
                                             Counsel



EXHIBIT INDEX

1.      Redemption Notice (incorporated by reference to Amendment No. 3 to
        Schedule 13D dated December 26, 2001).

2.      Purchase Contract (incorporated by reference to the Schedule 13D dated
        January 28, 1997).

3.      Certificate of Designation of Preferred stock (incorporated by reference
        to the Schedule 13D dated January 28, 1997).