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The slot machine Asteroids was developed in 1979 by Lyle Rains and Ed Logg for Atari, and is one of the biggest hits of all time in the history of computer games. Atari has sold over 70,000 machines. As a result the game for almost all home computer and PC platforms has been ported. There are two official successor (Asteroids Deluxe Blasteroids 1980 and 1987) and a vast number of replicas.

The spaceship of the player is in a two-dimensional space. It can rotate around its own axis and shots fired in all directions. By firing its rocket engine, it is accelerated in the forward direction. Contrary to the law of inertia, it slows down in a vacuum but slowly out of the box again. A maneuver is for a 180-degree turnaround possible with the help of the engine.

The goal of the game is to shoot up at any game level, all asteroids and UFOs appearing sporadically. For the playing field boundary conditions are cyclical, meaning that all objects (including projectiles) that leave the sidelines a surface on the opposite again. If the ship hit by an asteroid or shot at by a UFO, it is lost. Depending on the DIP switch settings, the player has a total of three or four spaceships.

The asteroids move in random straight lines on the playing field. By hitting it disintegrated into several smaller chunks that fly to certain laws into different directions and at different speeds. The smallest fragments can be completely destroyed with one shot. all asteroids and their fragments have disappeared, begins the next game level.
Technology [edit]
Form of a large asteroid the arcade version (in the game farbinvers)

In Asteroids game machine is called a vector game. That is, the entire game's graphics, only consists of lines that are represented on a vector monitor. The hardware is based partly on a 6502 standard CPU, on which the game program is executed, and the other on an Atari proprietary video hardware, the Digital Vector Generator (DVG). Since the CPU is too slow to control not only the actual game logic and the vector monitor for graphic representation, takes over this task to the DVG. The CPU writes this in a specific RAM area graphics commands for the DVG. These commands are used for example to position the beam for a given screen coordinates to draw lines, to set the brightness, for calling subroutines, etc. The DVG DVG reads the graphics commands and converts them into appropriate signals for the vector monitor.

Asteroids has a few sound effects that are implemented through hardware circuitry per each one's own effect. On certain memory addresses (ports), the CPU can activate these circuits and triggering the appropriate sound effect. Particularly well done is the pulsating bass heartbeat that is in the game faster and faster, thus increasing the tension in the player.

The software of the Asteroids machine is located only 6 KiloByte ROM. In addition, there is a vector-ROM comes with an additional 2 Kbytes, which mainly includes the graphics for the game elements in the form of DVG-subroutines.
Offshoot
Free variant XPilot
Spacola

Spacola Asteroids is a version for the Atari ST / TT series and the Apple Macintosh by Meinolf Schneider's company "Dongleware" comes from.
Story

The player's task is to deliver a first-Cola Space charge in a particular space station. There are a lot of quadrants in the game with a variety of space stations and mines. And a variety of space stations, all inmates are eager to Space-Cola, and try to bring the cargo itself. The player's goal is thus to find the right quadrant, which is only possible if you have purchased the book to the game, eliminating the mines to the space station, and then docked to the space station. In higher emissions then you have toilet paper and other cargo to deliver.
Extras [edit]

To improve the protection and weapons found during the search tools useful. Is controlled just like the spaceship in Asteroids. Inspired by the movie Space Balls, there are three speed ranges.

By the same author was also the games Oxyd and Oxyd2.
Starscape

Starscape is a newer version Asteroids for the PC, which brings a background story as well as new strategic elements into the gameplay, such as research and resourcing. Asteroid Destroyed leave here different minerals that can collect in order to promote the research or the production of new spaceship parts. The levels follow here is not linear, but can be controlled via a navigation map.
Extras

can the player takes in Starscape not only the responsibility for his spaceship, but also for his spaceship base, "Aegis" that can defend itself independently from the players against enemies, destroy asteroids, minerals collect (research required) and to remove the player's ship.

The goal is it to repair the hyperdrive of Aegis. The parts needed for it to be captured in the five galaxies of the level bosses. The player's ship is to be equipped with different cannons, missiles, engines, shields, batteries, etc., just as the spaceship class itself is changed. give clues to the locations of the level bosses in their respective galaxies captured data capsules larger enemies that also are themselves mineral collectors, mass production of smaller enemy ships and travel through the galaxies, stars, or to fill the levels with them.

Each galaxy can also offers some pure Asteroids levels largely without enemies, retreat to where the player is relatively safe and gather resources.

Alternatively, Starscape and a pure arcade Survival mode.
Other

In 1973, it was the arcade game by Bally Midway asteroid of similar graphics. This was not so well known.

In April 2008, the computer magazine c't said the occasion of her 25th Birth to a programming competition. The participants should create a computer program that plays Asteroids independently. Asteroids was this in M.A.M.E. emulated, and could be played by the programs remotely. [1] Until the end of June deadline 138 programs have been posted, and records the results of all games were posted on the website of c't .

2010 Universal Pictures acquired after long dispute with other film studios the right to shoot an Asteroids-Film. The production takes Lorenzo di Bonaventura (GI Joe - Cobra, Transformers, Shooter), writer is Matthew Lopez (Bedtime Stories). Jeff cherry tree will direct.