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H and D curve


H.E.D.Z. or Head Extreme Destruction Zone is a PC game made by Hasbro Interactive for Windows in the action/adventure genre. The player, whose character is an alien, selects heads (five starters, hundreds throughout the game) and goes on a preset order of battlefields to fight other aliens for heads, as well as the right to be the MVP of the arenas.


From the beginning it was inevitable. The Hedz were a highly developed, alien civilization, experts in transmutation, while humans were still in their primordial diapers.

Back on the home planet everyone was equal and looked the same. That, in essence, was the problem! And then it happened! What started as an accident resulted when an intrepid explorer penetrating the decapitated head of an unsuspecting human victim. It felt nice! After a while, he realized he could assume the powers of the previous owner, through brain to brain contact. What began as a misadventure, became a ruthless attack on the innocent of the universe.

At first it was just a few enthusiasts - big spender, frontier guys, experimenting with time travel; twanging the strings of the space/time continuum and causing grief wherever they materialized. Then, before too long, hoards of Hedz were plundering Earth's civilizations for human heads. A special preservation technique was formulated to convert the trophies into what they dubbed as "Hedware".

Head collecting became the latest craze... But the craze turned nasty! Theft and violence over ownership became widespread. Suddenly, every Hed wanted trophies! Not just something to hang on the wall, but a living piece of history to wear and show off. Hedz society was in turmoil!

Then one lone Hed spoke up. The suggestion... to legitimize the whole head-hunting phenomena - make it their national sport. And so it was decided!


The nearby asteroid belt, the Nappa Flux, was selected as the arena. Each asteroid was designed to represent an Earth-like environment. The rules were simple: Each Hed could choose five trophies to take onto the asteroid and use the powers inherent in the Hedware to engage in battle. The chance to capture their opponent's heads would be the ultimate prize.

Needless to say, the response was overwhelming...


The premise of the game is to acquire as many various different number of 'heads' from competing aliens as you can, any head you acquire that is already in your inventory is redeemed for Z money, which you can use to replenish health to current heads or ones in your backpack.

Every level is engineered uniquely based on its 'style' and there are a number of special condition areas that one must meet requirements to reach, like hitting a button and reaching the destination before it resets, or eliminating all hostiles in the area.

Head Types

Each head can have a primary type and special attribute.

  • Gun - machinegun like rapid-fire or single shot with no delay in between attacks.
  • Medic - Takes the damage from the other headcase heads onto itself until its reached near 0 hit points
  • Arrow - nothing more than an arrow fired slowly from a crossbow based weapon, strengths dependent on the head.
  • Swarm - Creates a cloud of insects around the attacker by holding the attack key, then releasing it to unleash it on an enemy.
  • Curver - A Throwing based weapon that flies straight towards its target, regardless if he is moving, as it will curve towards him.
  • Bouncer - A throwing attack object that bounces and semi-homes in on the target, will explode without damage if contact fails.
  • Laser - Fires a laser beam that bounces off of surfaces
  • Thruster - Vehicular based super-propulsion gives one more damage when running down other head players.
  • Thrown - tossed object for damage, some can be explosive on contact
  • Missile - One of the most powerful types regardless of character, fast projectile flies towards near-line of sight targets for large damage, also master missile type heads fire 2 at a time.(but only have a 5 missile limit before needing reload)
  • Guided Missile - Not as effective as the Missile, but allows for a first person view of the missile as you guide it to its target
  • Invisibility - grants invisibility to the user until power runs out
  • Sprouter - a donut like swirling ring is fired, once hits target it elevates them above the ground and holds them in place in a geyser until it wears off
  • AA Gun - a first person machinegun attack steered by movement keys
  • Bomb Drop - First person viewed attack from above straight down to the ground
  • High Jump - super powerful leap into the air
  • Earthquake - rocks the ground nearby you regardless of elevation differences for many instances of small amounts of damage
  • Shield - offers personal protection from attack
  • Power Shield - a red variant of the shield that will damage enemies upon contact
  • Spray - an attack using a powderlike shot effect
  • Turbo - allows one to run real fast, no attack power whatsoever
  • Pet Attack - a seeker-like ground attack in the form of a creature of some sort.
  • Mine - a deceptive attack using "head" coin lookalikes which are really explosive traps
  • Cell - if it makes contact, target is completely immobile until the cell expires, effectively a prison that leaves one vulnerable
  • Teleportation - not so much as teleportation as much as steady levitation
  • Flamer - able to control a spray-paint like fire stream that spreads as it moves forward.
  • Dropped - An attack strictly associated with flight heads, where used when right near an enemy from above, usually explosive.

Special Ability classes for heads

  • Glider - A limited version of the Aircraft flight capabilities limited to up, down, left, and right.
  • Hover - allows one to cruize above the surface, granting resistance to ground based attacks like earthquake.
  • Boat - allows easy movement on water, very ineffective on anything else.
  • Motorbike - just what it says, cannot drift as well as an automobile type, but handles better.
  • Automobile - lets head move very fast along the ground, will do damage when you run down an enemy, as any vehicle would.
  • Airplane - gives the power of full flight, certain movement keys will grant special flight maneuvers such as Immelmann turn and barrel rolls.

World Types

The Nappa Flux consists of fours sets of asteroids. Each set of asteroids is called a Dan and each Dan contains five different levels.

Each asteroid has its own 'world' modeled after themes from earth, where everything else was abducted, and with each world comes with different itinerary for 'world moving' mechanics

  • Laboratory - Buttons can operate whole sections of Gravity Lines which will lift the player skyward upon stepping under it, the patterns further accentuate a 'scientific' style with electrical circuit lines, and computer light panels as well.
  • City - Buildings, sewers, and boarded up zones(sometimes, those that aren't are usually secret accesses) make up this cityscape asteroid, not much different from what one would see, except deserted streets(other than your opponents).
  • Haunted Castle - Cathedrals, scary houses, graveyards, and mausoleum castlescapes comprise this dark sky world that is most likely rife with a number of traps, such as lava fields and drop zones, take extreme caution as areas open up only after some criteria are met.
  • WarZone - One could say a war was being fought here, as the jungle world is literally scattered about with war shacks, watch towers(complete with ranged attackers) and secret access points, very natural and very dangerous.
  • Toyland - Children's toys, building blocks, letter blocks, nothing about this level can be taken seriously, as is the point for this soft hearted world. The only exception is the opposition you will meet along the way, as each time you're here you tend to encounter some rather strong head characters.
  • Refinery/Plant - Mechanical sets of movers and conveyors make up this industrial utopia, elevator systems are also present in this world set, clearing each section will allow access to the next floor.
  • Master Zone - This is where you are tested, against heads you previously fought in the last four asteroids, A Time limit is in effect and should you run out of time, you will lose and be recalled out of the playing area to start over. Defeat all heads in a subsector by defeating the Keybearer alien, the key he drops will add to your time limit and unlock the next sector. At the Master Zone's goal line rests a special head that you will NEVER see again unless you take it from the Exit Warp pad, so take it and make good use of it.

Other information

This game can still be found on Ebay at times, as with most games from Hasbro Entertainment.

External links

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