Home News Forum                            

Play your favorite classic games and more with the GameEx front end. Read more.

a51mxr3k: MAME ROM Information.


Area 51 / Maximum Force DUO Kit (c) 1998 Atari Games.

This is the same game as the original "Area 51" and "Maximum Force" games, with the addition of a single credit 'Tournament' mode for "Maximum Force" and new/additional secret areas in both games.


Atari Cojag hardware

Main CPU : 68EC020 (@ 25 Mhz), Jaguar (@ 26 Mhz)

Sound CPU : Jaguar (@ 26 Mhz)

Sound Chips : (2x) DAC

Screen orientation : Horizontal

Video resolution : 320 x 240 pixels

Screen refresh : 60.00 Hz

Palette colors : 65534

Players : 2

Control : lightgun

Buttons : 1


Released in February 1998.

Area 51 video was recoded using the Maximum Force system, so Kronn Hunter mode no longer works properly (this is an example of an undocumented 'feature').

An Area 51 / Maximum Force DUO machine was shown at the 2004 classic arcade games show 'California Extreme' in San Jose, California.



* Software version : 2.07CJ

* Build date : GUIS Feb 5 1998 18 :52 :26 / MAIN Feb 10 1998 11 :52 :51

* R3000 based


* Software version : 2.04CJ

* Build date : GUIS Apr 22 1998 17 :45 :35 / MAIN Apr 22 1998 17 :53 :57

* 68020 based


Senior Producer : Rob Rowe


Game's rom.

Machine's picture.

MAME Info:

0.68 [Aaron Giles]

Artwork available

HardDisk required


- Clone a51mxr3k: Go into test mode to adjust the volume, reports the sound CPU is not responding, and the geme gets stuck. Reznor007 (ID 00396)

- Clone a51mxr3k: When doing the disk check, the throughput seems locked at 3999KB/sec...which is slow compared to the real thing. Reznor007 / Luigi30 (ID 00397)


- 7th December 2009: Mr. Do - Here is Area 51 / Maximum Force Duo artwork that I had completed some time ago, but never got around to adding them in.

- 0.75u1: Aaron Giles fixed the CPU speedup in Area 51 / Maximum Force Duo R3000 version, and fixed the timer problems for good (hopefully).

- 0.71u2: Brian Troha added clone Area 51 / Maximum Force Duo (R3000). Speed hack needs doing.

- 0.71: Changed description to 'Area 51 / Maximum Force Duo v2.0'.

- 0.68: Aaron Giles added Area 51 / Maximum Force Duo (Atari 1998).

- 9th July 2003: Brian Troha added the R3000 version of Area 51 / Maximum Force Duo.

- 29th January 2003: Aaron Giles added Area 51 / Maximum Force Duo to the Cojag driver (your HDDs are obsolete now) and fixed the reset problems.

- 9th November 2002: Guru - Dumped Area 51 / Maximum Force Duo (Atari 1998). Thanks to Tony for the loan of the machine.

Recommended Games (Army Fighter 3D):

Operation Wolf

Operation Thunderbolt

Operation Wolf 3



GI Joe

Born To Fight

Dynamite Duke

Guts n' Glory (Machine Gun)

Line of Fire

Mechanized Attack

Rambo III

Aqua Jack


Spinal Breakers


Area 51

Maximum Force

Area 51 / Maximum Force Duo

Area 51: Site 4

Operation Thunder Hurricane

Behind Enemy Lines

Ranger Mission

Recommended Games (Shooting 3):

Operation Wolf

Operation Wolf 3

Operation Thunderbolt


Beast Busters

Beast Busters 2nd Nightmare

Dynamite Duke

Guts n' Glory (Machine Gun)

Line of Fire

Mechanized Attack

Rambo III


Space Gun

Spinal Breakers

Steel Gunner

Steel Gunner 2

Rail Chase

Rail Chase 2

Terminator 2 - Judgment Day

G.I. Joe

Lethal Enforcers

Lethal Enforcers II: Gun Fighters


Alien3: The Gun

Born To Fight

Dragon Gun

Jurassic Park

Jurassic Park 3

Under Fire

Locked 'n Loaded

Lord of Gun

Revolution X

Target Hits

Virtua Cop

Virtua Cop 2

Crypt Killer

Mobil Suit Gundam Final Shooting

Time Crisis

Zombie Raid

Area 51

Maximum Force

Area 51 / Maximum Force Duo

Area 51: Site 4

Crazy Fight

Lethal Justice

Police Trainer

House of the Dead

House of the Dead 2

The House of the Dead III

Behind Enemy Lines



Flame Gunner

Golgo 13

Golgo 13 Kiseki no Dandou

Invasion - The Abductors


Confidential Mission

Death Crimson OX

Gun Spike

Silent Scope

Silent Scope 2

Silent Scope EX

The Typing of the Dead

Gun Survivor 2: Bio Hazard Code Veronica

Lupin The Third - The Shooting

Ranger Mission

Romset: 2048 kb / 4 files / 284.6 zip

Harddisk: 3.0 GB (CYLS: 6256, HEADS: 16, SECS: 63 - Compressed: 1.66)

MAME XML Output:

       <game name="a51mxr3k" sourcefile="jaguar.c" cloneof="area51mx" romof="area51mx">
              <description>Area 51 / Maximum Force Duo (R3000)</description>
              <manufacturer>Atari Games</manufacturer>
              <rom name="a51mxr3k.hh" size="524288" crc="a984dab2" sha1="debb3bc11ff49e87a52e89a69533a1bab7db700e" region="user1" offset="0"/>
              <rom name="a51mxr3k.hl" size="524288" crc="0af49d74" sha1="c19f26056a823fd32293e9a7b3ea868640eabf49" region="user1" offset="1"/>
              <rom name="a51mxr3k.lh" size="524288" crc="d7d94dac" sha1="2060a74715f36a0d7f5dd0855eda48ad1f20f095" region="user1" offset="2"/>
              <rom name="a51mxr3k.ll" size="524288" crc="ece9e5ae" sha1="7e44402726f5afa6d1670b27aa43ad13d21c4ad9" region="user1" offset="3"/>
              <disk name="area51mx" merge="area51mx" sha1="5ff10f4e87094d4449eabf3de7549564ca568c7e" region="drive_0" index="0" writable="yes"/>
              <chip type="cpu" tag="maincpu" name="R3041 (big)" clock="40000000"/>
              <chip type="cpu" tag="gpu" name="Jaguar GPU" clock="26000000"/>
              <chip type="cpu" tag="audiocpu" name="Jaguar DSP" clock="26000000"/>
              <chip type="audio" tag="lspeaker" name="Speaker"/>
              <chip type="audio" tag="rspeaker" name="Speaker"/>
              <chip type="audio" tag="dac1" name="DAC"/>
              <chip type="audio" tag="dac2" name="DAC"/>
              <display tag="screen" type="raster" rotate="0" width="360" height="240" refresh="59.922743" pixclock="7159090" htotal="456" hbend="42" hbstart="402" vtotal="262" vbend="17" vbstart="257" />
              <sound channels="2"/>
              <input players="2" buttons="1" coins="4">
                     <control type="lightgun" minimum="0" maximum="255" sensitivity="70" keydelta="10"/>
              <dipswitch name="Service Mode" tag="FAKE0" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="unsupported" palettesize="0"/>
              <slot name="drive_0">
                     <slotoption name="hdd" devname="hdd" default="yes"/>
              <slot name="drive_1">
                     <slotoption name="hdd" devname="hdd"/>

emumovies.com      Retro bytes Portal           Bookmark and Share

Developed by: Spesoft  Headsoft     Terms of use     Privacy    Advertise