NOTICE OF GUARANTEED DELIVERY
                                      FOR
                                   TENDER OF
           7 1/2% CONVERTIBLE SENIOR SUBORDINATED DEBENTURES DUE 2003
                                       OF
 
                          ALLIANCE GAMING CORPORATION
 
    This Notice of Guaranteed Delivery or a form substantially equivalent hereto
must  be used  to accept Alliance  Gaming Corporation's  ("Alliance") offer (the
"Exchange Offer") to exchange up to  $85 million principal amount of  Alliance's
7 1/2% Convertible Senior Subordinated Debentures due 2002 (the "New Convertible
Debentures")  for  a  like principal  amount  of Alliance's  7  1/2% Convertible
Subordinated  Debentures  due  2003  (the  "Securities"),  if  (a)  certificates
representing  the Securities are  not immediately available,  (b) the procedures
for book-entry transfer  cannot be completed  prior to the  Expiration Date  (as
defined)  or (c)  time will  not permit  the Securities  and all  other required
documents to each the Exchange Agent prior to the Expiration Date. This form may
be delivered by an Eligible Institution by mail or hand delivery or transmitted,
via facsimile, telegram or telex to the  Exchange Agent as set forth below.  All
capitalized  terms used herein  but not otherwise defined  herein shall have the
meanings ascribed to them in the Prospectus dated  May   , 1996 of Alliance  (as
the same may be amended or supplemented from time to time, the "Prospectus").
 
 THE EXCHANGE OFFER WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, ON JUNE
  , 1996, UNLESS EXTENDED (THE "EXPIRATION DATE"). TENDERS OF 7 1/2% CONVERTIBLE
   SUBORDINATED DEBENTURES DUE 2003 MAY BE WITHDRAWN AT ANY TIME PRIOR TO THE
                                EXPIRATION DATE.
 
                                      To:
                      THE BANK OF NEW YORK, EXCHANGE AGENT
 
                              BY MAIL OR BY HAND:
 
                              The Bank of New York
               101 Barclay Street, Corporate Trust Operations, 7E
                            New York, New York 10286
                            Attention: Enrique Lopez
                           Telephone: (212) 815-2742
                                 BY FACSIMILE:
                                 (212) 571-3080
                               TOLL FREE NUMBER:
                                 1-800-254-2826
 
    DELIVERY   OF  THIS  NOTICE  OF  GUARANTEED   DELIVERY  TO  AN  ADDRESS,  OR
TRANSMISSION OF INSTRUCTIONS VIA FACSIMILE TRANSMISSION OR TELEX, OTHER THAN  AS
SET FORTH ABOVE WILL NOT CONSTITUTE A VALID DELIVERY.
 
    This  form is not to be used to  guarantee signatures. If a signature on the
Letter of Transmittal is required to be guaranteed by an "Eligible  Institution"
under  the instructions  thereto, such  signature guarantee  must appear  in the
applicable space provided in the signature box on the Letter of Transmittal.

Ladies and Gentlemen:
 
    The  undersigned   hereby   tender(s)   to   Alliance   Gaming   Corporation
("Alliance"),  upon the  terms and  subject to the  conditions set  forth in the
Prospectus  and  the  Letter  of   Transmittal,  receipt  of  which  is   hereby
acknowledged,  the principal amount  of Securities set  forth below, pursuant to
the guaranteed delivery procedures set forth in the Prospectus under the heading
"The Exchange Offer -- Procedures for Tendering -- Guaranteed Delivery."
 
    All authority herein conferred or agreed  to be conferred by this Notice  of
Guaranteed Delivery shall survive the death or incapacity of the undersigned and
every  obligation of  the undersigned under  this Notice  of Guaranteed Delivery
shall  be  binding   upon  the  heirs,   personal  representatives,   executors,
administrators,  successors,  assigns, trustees  in  bankruptcy and  other legal
representation of the undersigned.
 

                                                           
                                       PLEASE SIGN AND COMPLETE
Signature(s) of Registered Holder(s) or
Authorized Signatory:                                         Address(es):
Name(s) of Registered Holder(s):                              Area Code and Telephone No.:
 
                                                              If Securities will be delivered by book-
                                                              entry transfer, provide the account num-
                                                              ber at The Depository Trust Company:
                                                              Account No.:
                                                              Certificate No(s). of Securities (if
                                                              available):
Principal Amount of Securities Tendered:
$
Principal Amount of New Convertible Debentures to be
Converted into Series E Preferred Stock in Event of
Automatic Conversion:
 
$                                                      *
Date:
* Unless  otherwise specified,  all New  Convertible Debentures  received in  exchange for  Securities
tendered  in  the Exchange  Offer will  be  converted into  Common Stock  in  the event  the Automatic
Conversion occurs.

 
    This Notice  of  Guaranteed  Delivery  must  be  signed  by  the  registered
holder(s)  of Securities exactly as their  name(s) appear(s) on the certificates
representing such Securities or on a  security position listing as the  owner(s)
of  the Securities, or by person(s) authorized to become registered holder(s) by
endorsements and documents transmitted with this Notice of Guaranteed  Delivery.
If  signature  is  by  a  trustee,  guardian,  attorney-in-fact,  officer  of  a
corporation, executor, administrator, agent or other representative, such person
must provide the following information.
 
                      PLEASE PRINT NAME(S) AND ADDRESS(ES)
 
Name(s):
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Capacity:
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Address(es):
- --------------------------------------------------------------------------------
 
    Do not send  Securities with  this form. Securities  should be  sent to  the
Exchange  Agent, together with a properly  completed and validly executed Letter
of Transmittal.

                                   GUARANTEE
                    (NOT TO BE USED FOR SIGNATURE GUARANTEE)
 
    The undersigned, a member firm of a registered national securities  exchange
or  of the National Association of Securities Dealers, Inc. or a commercial bank
or trust company having  an office or  a correspondent in  the United States  or
another  "Eligible Guarantor Institution"  as defined in  Rule 17Ad-15 under the
Securities Exchange  Act of  1934, as  amended, hereby  guarantees that,  within
three  New York  Stock Exchange  trading days  from the  date of  this Notice of
Guaranteed Delivery,  a  properly  completed  and  validly  executed  Letter  of
Transmittal  (or a facsimile thereof),  together with Securities tendered hereby
in proper form for transfer (or confirmation of the book-entry transfer of  such
Securities  into the Exchange Agent's account at a Book-Entry Transfer Facility,
pursuant to the procedure  for book-entry transfer set  forth in the  Prospectus
under  the heading "The Exchange Offer -- Procedures for Tendering -- Book-Entry
Transfer"),  and  all  other  required  documents  will  be  deposited  by   the
undersigned with the Exchange Agent at one of its addresses set forth above.
 

                                                     
Name of Firm: ---------------------------------------   -----------------------------------
                                                                Authorized Signature
 
Address: ---------------------------------------------  Name: -----------------------------
                                                        Title:
- -----------------------------------------------------   ------------------------------
Area Code and Telephone No.: ------------------------
Date: -----------------------------------------------

 
    DO  NOT SEND SECURITIES WITH THIS  FORM. ACTUAL SURRENDER OF SECURITIES MUST
BE MADE PURSUANT  TO, AND BE  ACCOMPANIED BY, A  PROPERLY COMPLETED AND  VALIDLY
EXECUTED LETTER OF TRANSMITTAL AND ANY OTHER REQUIRED DOCUMENTS.