Cosmic Chasm

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Cosmic Chasm Cover.jpg
Developer(s) Cinematronics
Publisher(s) Cinematronics
Designer(s) GCE
Platform(s) Vectrex, Arcade Game
Release date(s) Vectrex
  • NA: 1982
  • EU: 1983
Genre(s) Shooter game
Mode(s) Single-player, 2 player Alternating
Cabinet Horizontal
Sound Amplified Mono (one channel)
Display Monochrome Vector

Cosmic Chasm was a color vector arcade game created for the arcades by Cinematronics in 1983, but was originally a game created by GCE for the Vectrex home game system.


The player controls a space ship armed with lasers and shields on a mission to destroy the Cosmic Chasm space station from the inside out. Each room of the space station has protector ships that attack the player directly and a center that slowly expands thus forcing the player not to linger in the room for too long after defeating the protector ships. The player must shoot away force fields that protect the exits in order to traverse the corridors that lead to other rooms. Each exit corresponds to a different direction on the map so choosing the shortest route is key. The goal is to fight your way to the station's reactor room, destroy it and make your way out of the station before being engulfed in the station's destruction. Touching the walls of the rooms is just as fatal as touching a protector ship or the expanding center. The screen has a map portion on top so that the player can keep track of which room of the station he is in as well as plan his escape out of the station. The home game is basically the same in game play but has some noticeable differences from the arcade version.

Vectrex Version Differences[edit]

The Vectrex version of Cosmic Chasm varies slightly from the arcade version. Since the Vectrex version was created first it should be assumed that this is the original version. In the Vectrex version the player controls a drilling vehicle that not only has lasers and shields but a drilling tip that must be used to penetrate and nullify the force-fields that block the exits. The rooms still have the protector ships, expanding center cores and in the one room; a reactor. The Vectrex version also has a map but it is not permanently displayed at the top of the screen like the arcade version. It is a separate screen that appears before each round of play begins or when the player exits a room. As well, in order to destroy the reactor, one must back their vehicle close to the reactor and drop a bomb which will explode after a preset time period, allowing you to make your escape. Finally, since this is a Vectrex game, it only features a monochrome vector display.


  • This was the last color vector game released by Cinematronics, which was in Chapter 11 bankruptcy at the time. Other games were developed but never released.
  • This was the first game originally developed for a home gaming system to be turned into an arcade game
  • The game was often mistaken for Dragon's Lair due to its similarly lit three sided marquee and as both are in the same cabinet.

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