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Tranquility (video game): Wikis


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Developer(s) William A. Romanowski
Publisher(s) TQworld, LLC.
Designer(s) William A. Romanowski
Version 6.0 for Mac OS; 5.2 for MS Windows
Platform(s) Mac OS X (10.4 Tiger), Mac OS, Windows 8/Me/NT4/2000/XP Home/XP Pro
Release date(s) 1991, 2001
Genre(s) Platformer, Music, Art
Mode(s) Single player
Media Download
System requirements
  • 1Ghz G4 or Intel Core Solo/Duo processor
  • 9600 baud Internet Connection
  • 256 Mb System Memory
  • 32 Mb Video Memory
  • 24 Mb Free Disk Space
  • Supported OpenGL hardware acceleration


  • DirectX accelerated audio card (old SoundBlasters won't work)
  • DirectX 8.1 or newer
  • 800 Mhz processor or faster
  • 9600 baud Internet Connection
  • 128 Mb System Memory
  • 20 Mb hard disk space
  • Accelerated OpenGL video card with at least 16Mb of VRAM
Input methods Keyboard, Mouse

tranquility is a nonviolent musical platform game created in 1991 for Macintosh and Windows computers by musician William A. Romanowski. The game features generative algorithms that determine music and level layout based on the player's actions. For this reason, and due to its use of generated ambient music, the game's philosophy has been compared to that of Transcendentalism and the New Age Movement. According to the game's publishers, some players have reported immersion in the game to produce a dream-like experience during and after play.[1] The game notably appeared first as a demo included with Silicon Graphics computers.[2] It was updated and re-released by its designer as a commercial game 10 years later in 2001.



In tranquility, the player (from an abstract, first-person viewpoint) floats in a sea of starlit geometric structures called "platforms" in order to pass through targets called "spinners" (camouflaged star-shaped objects scattered at a density of one per room). The game's challenge is derived from the difficulty in locating the variously-placed "spinners" and as such the game may be compared to hide-and-seek. Level progression is nonlinear, and the game is intended to be self-paced, and self-directed. A number of in-game options allow players to control game speed and difficulty, including among others an auto-pilot button.


Level advancement and scoring

Advancement through the game is accomplished by finding each spinner in all 3,087 rooms. Progression through the hierarchy of "realms," "ranks," "sets of rooms," and "rooms" results in incrementation of the player's "level." Thus, there are 21 realms in total, 7 ranks per realm (for a total of 147 realms), 3 sets of rooms per rank (for a total of 441 sets of rooms), and 7 rooms per set of rooms (for the full total of 3,087 rooms). Each room contains 1 spinner.

Completing each rank advances the player by 1 level, making for a total of 147 levels. Each rank and realm adds subtle complexity to game play by interactively evolving to correspond with the player's actions. This acts to enhance replay value, and provides for lengthier play experience.

The essential elements that define a tranquility room are:

  • "Platform" - Typically hundreds of them in number, platforms lie in a variety of groups. Each group of platforms is synchronized in movement and color.
  • "Spinner" - a special platform that, when reached, completes the room and advances the player to the next room. (Note: The developers do allow the engine to create rooms in rare instances with no spinner).
  • A distant background star-field
  • A floor, usually marked with a grid pattern for spatial reference
  • An interactive generated soundtrack that corresponds to the movement of the player within the game.
  • In-game physics - allow for movement of the player within the game,
    • "Gravity" - Movement downwards is caused by the "gravity".
    • Lateral movements are controlled by the player, usually by moving the mouse.
    • Movement downwards is controlled by the player, usually by holding down the mouse button to increase the rate of descent.
    • Movement upwards occurs when the player "bounces" off of a platform or the floor. Upward velocity depends on the player's rate of descent towards the platform/floor.

Generative aspects (music and level structure)

Designed by musician, William A. Romanowski, the musical aspects of the game are notable [3] in that they are generated using an algorithm designed to respond to the player's interactions with the interface, creating arrhythmic musical compositions and an immersive, sensual environment.[4] In this way the game can be compared to generative music games Rez, and Otocky. In addition to normal play modes, tranquility includes a simple level editor and a jukebox mode for enjoying the game's generated music.

The structure of the rooms in tranquility also react to the player's style of level-completion evolutionarily. As such, the game allows self-adjusting ad hoc difficulty similar to enemy progression in the space shooter, Warning Forever. The generative nature of the musical score as well as the room structure mean that the game will provide a gaming experience uniquely tailored to the strengths and weaknesses of the individual player, and different experiences can be gained by altering playing style. This interactive variability directly counteracts the degree of tedium normally associated with progression through 3,087 rooms.


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