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Dead Rex

The Adventures of Major Havoc

The Elusive Dedicated Cabinet!!


  • Tolian Web: Prototype, not released
  • Alpha 1: Prototype, not released
  • Upright: November 1983
  • Conversion Kit: March 1984
Notes:Color X-Y Horizontal 2 Player. Only about 500-600 dedicated games made, Tollian Web screened on early PCB's(From Star Trek), Originally called Major Rex Havoc and contained a "Star Castle" section. Two Major Software revisions were released. More trivia is on the Alpha 1 page.

Game Overview

This is by far my favorite Atari vector game, it has great imagination and creativity! Bravo to the Designer: Owen Rubin (Space Duel, Tunnel Hunt, Canyon Bomber, plus tidbits of code in most other games from the era) who was the 'sick' mind behind this cult classic game! If you want to find out more info on Owen, checkout his web page at

The only problem with the game is that it has no ending(that is a fact). Hopefully in about 6 months I will be changing that! I will let the game explain itself.
You are MAJOR HAVOC, leader of a brave band of clones. All from one, one from all, fighting for humanity...
Eons ago the evil Vaxxian Empire overran the galaxy. Most of your ancestors were enslaved and taken to the Vaxxian homeworld. Only a few scientists escaped.
Today, the Empire has all but decayed. Yet, Vaxxian space stations, controlled and defended by robots, still patrol the galaxy.
The small band of scientists cloned you, MAJOR HAVOC, to fly your Catastrofighter through a wormhole in space, to lead your clone army against the dreaded Vaxxian robots, and to free your people by destroying the enemy reactors.

Major Havoc: Return to Vax

Well, I have been doing some hacking on this game now for about 8 years, it is a slow going project but I have added four new levels, made the game a bit easier, added speech support and done lots of little things. You can download the ROM's for my hacks so far....Version 1.8 they are always changing. Major Havoc Game PCB


Major Havoc Pinouts
Version 2 ROM Images
Version 3 ROM Images Eliminates the finger bug in Version 2!
Major Havoc DIP Switch Settings
Major Havoc Self Test Error Codes
Major Havoc Memory Map
Schematics for Major Havoc, individually or in a .zip


Exiting Level 13 while "turning-on" the finger, allows you to end the level just before the reactor is shut off. If the timing is correct you will return to level 13 next time but without any enemies. -From RGVAC- Note: This only works on the older ROM Version 2.

Warp Codes:
  • Red-23
  • Yellow-46
  • Green-824(Mark Cerny's B-Day
  • Aqua-315(Owen Rubin's B-Day)
  • Blue-223 (Only exists in Return to Vaxx)
  • Purple-683 (Only exists in Return to Vaxx)
  • Rainbow-948 (Only exists in Return to Vaxx)
According to Owen R.: You can slip through a bottom corner of level 1,5,9,13,17,ect.. You will fall down through space and will see a special suprise! Note: This was only successfullly done by one person repeatedly but Owen could never get the problem fixed. I have never ever done this successfully :-(

Picture Gallery

Major Havoc Flyer: Front Major Havoc Flyer: Back Major Havoc Manual Major Havoc Flyer: Tempest Conversion

Go back to the Atari Vector Page

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