WARNING• Use of non-Midway parts or circuit modifications may cause serious injury or equipment damage!
 Federal copyright, trademark and patent laws protect this game. Unauthorized modifications may be illegal under 
Federal law. The modification ban also applies to Midway Games Incorporated and game logos, designs, publica-
tions and assemblies. Moreover, facsimiles of Midway equipment (or any feature thereof) may be illegal under fed-
eral law, regardless of whether or not such facsimiles are...
                                            

                                                    The manufacturer intends that this game is to be operated for amusement purposes only and not in contravention of 
any federal, state or local law or regulation of the United States or any foreign country governing gaming devices. All 
operators of this game are responsible for its operation in accordance with such laws and regulations. The manufac-
turers factory settings for this game may require adjustment in order to comply with laws applicable in an operators 
specific jurisdiction. It is the...
                                            

                                                    UPGRADE KIT
FOR 27” AND 39”
MODELS
WARNING• Use of non-Midway parts or circuit modifications may cause serious injury or equipment damage!
 Federal copyright, trademark and patent laws protect this game. Unauthorized modifications may be illegal under 
Federal law. The modification ban also applies to Midway Games Incorporated and game logos, designs, publica-
tions and assemblies. Moreover, facsimiles of Midway equipment (or any feature thereof) may be illegal under fed-
eral law, regardless of whether...
                                            

                                                    NOVEMBER 1999
16-20044-10116-20040-101
Operations Manual Includes

 Installation 
 Operation 
 Testing & Problem Diagnosis

 Parts Information 
 Wiring Diagrams 
 Product Service
Midway Games Inc.
3401 North California Avenue  Chicago, Illinois 60618-5899  USA
http://www.hydrothunder.com
UPRIGHT
DEDICATED
VIDEO
GAME
25” CABINET 
                                            

                                                    The manufacturer intends that this game is to be operated for amusement purposes only and not in contravention of
any federal, state or local law or regulation of the United States or any foreign country governing gaming devices. All
operators of this game are responsible for its operation in accordance with such laws and regulations. The manufac-
turers factory settings for this game may require adjustment in order to comply with laws applicable in an operators
specific jurisdiction. It is the operators...