Reactor (video game)

Reactor is a raster video arcade game released in 1982 by Gottlieb. The object of the game is to cool down the reactor core without being hurled by magnetism and repulsion by enemy swarms of nuclear particles. The game was ported to the Atari 2600 by Charlie Heath and published by Parker Brothers the same year.[1]

Reactor
Atari 2600 box art
Developer(s)Gottlieb
Publisher(s)Gottlieb (Arcade)
Parker Brothers (2600)
Designer(s)Tim Skelly[1]
Programmer(s)Charlie Heath (2600)[1]
Artist(s)Tim Skelly
Composer(s)David Thiel
Platform(s)Arcade, Atari 2600
Release1982
Genre(s)Action
Mode(s)Up to 2 players alternating
CabinetUpright
CPUIntel 8088
SoundLM379S
Votrax SC-01[2]
DisplayRaster

Reactor was developed by Tim Skelly, who previously designed and programmed a series of vector graphics arcade games for Cinematronics, including Rip-Off.[1] It was the first arcade game to credit the developer on the game's title screen.[3]

Gameplay

The player controls a cursor that can move freely within a screen-sized arena, the nuclear reactor. The center contains a sun-type gravitational power source, the slowly overheating reactor core. The surrounding wall or the sun, if touched results in death. The cursor is controlled with a trackball by the player, who has to roll it fast in one direction in order to overcome the momentum of gravitation imposed by the sun. Swarms of enemy objects named after various radioactive particles float around in the reactor arena, obeying simple physical laws. These enemies can freely bounce into the walls at low speeds, have a repulsive force against each other and actively attack the player cursor. Boss types often break up into several smaller particles.

The object is to survive the sun and walls while gaining the highest score possible. It takes a delicate touch. Rather than moving the cursor/avatar left, right, up and down as in many arcade games, it is controlled by gravity and moves freely; with the player only being able to accelerate it rather than control its movements directly. Meanwhile the enemy particles are getting so aggressive that it can get very difficult to avoid being pulled in by the sun or touching a wall.

The basic gameplay consists of accelerating the cursor just at the right times so that it circles the reactor core with enough speed to have control via its own momentum when the enemy particles try to knock it off course, and then to place decoys and actually use the acceleration of the ball itself to knock enemies into control rods, traps or the reactor core. By pressing the primary button the player cursor can go into high power mode, providing higher repulsion of enemies and conversely higher risk to the player.

To ease the task the player also has a certain number of decoys at their disposal. Pressing the secondary button places a decoy to attract the enemies, luring them into two traps in the corners of the screen for bonus points, into destroying reactor rods or directly into the walls to kill them. Destroying a row of reactor rods gives the player one more decoy, as well as resetting the size of the slowly swelling reactor core.

A time limit is enforced by the slowly swelling reactor core, which limits the space to move about in the arena. Although the reactor doesn't actually melt down, the decreasing space provides for gradually increasing difficulty. After defeating the first wave of enemies, the solid reactor core changes into Vortex core, unlike the Protect core, is lethal to touch (thus making such levels significantly harder).

Ports

The Atari 2600 version plays somewhat differently because the energy shield is always up. It can be played with either a joystick or a trackball, though the latter is not mentioned in the manual. The difficulty switches set the sensitivity of the controls. There are no voice overs, and the bonus counter is invisible. Additionally, the bonus counter can only hold so many points, after which points are added directly to the player's score.

While an Intellivision version was licensed and developed, it was never released.[4]

Reception

Tilt gave the game 93%, and said "A classic Gottlieb game that relies on physics for its gameplay, which is quite rewarding."[5]

A 1983 reviewer for Hi-Res magazine wrote, "VCS Reactor's main flaw is not in the game itself, but the flexibility of the controlling joystick. The trackball controller of the Gottlieb version is gone, replaced by the lackluster Atari joystick. The stiffness of the joystick makes it difficult to direct your ship with any great degree of precision."[6]

gollark: This is possible under hyperbolic geometry, the best geometry.
gollark: And hexagons.
gollark: It's not a circle, it's an infinite tessellation of heptagons.
gollark: Ë
gollark: In general, if you did a survey or something, I think you would find that people are annoyed by microcrafting. Also, sleep is important and you should do it.

References
  1. Hague, James. "The Giant List of Classic Game Programmers".
  2. "Reactor". Killer List of Video Games. International Arcade Museum. Retrieved 2008-08-06.
  3. "Tim Skelly's History of Cinematronics and Vectorbeam". dadgum.com. Retrieved 2008-08-06.
  4. "Parker Bros. for Intellivision". Intellivision Lives. Archived from the original on 2008-04-23. Retrieved 2008-08-05.
  5. http://www.abandonware-magazines.org/affiche_mag.php?mag=28&num=285
  6. Murley, Mark S. (November 1982). "Bringing Home the Arcade Game Craze". Hi-Res. 1 (1): 72.
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