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Thrust (video game)

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Thrust
Developer(s)Jeremy Smith
Publisher(s)Superior Software, Firebird
Composer(s)Rob Hubbard
Platform(s)Acorn Electron, Amstrad CPC, Atari 2600, Atari 8-bit, Atari ST, BBC Micro, Commodore 16, Commodore 64, Vectrex, ZX Spectrum
Release1986
Genre(s)Multidirectional shooter
Mode(s)One player

Thrust is a 1986 computer game released on most home computers. The perspective is two dimensional platform-based and the player's aim is to manoeuvre a spaceship by rotating and thrusting, as it flies over a landscape and through caverns. Gameplay of Thrust was heavily inspired by Atari's Gravitar.

Development

The game was programmed by Jeremy Smith (co-author of Exile) and was developed originally on the BBC Micro. Superior Software agreed to publish it as a full price game but they required an Acorn Electron conversion (to release it as a joint BBC/Electron package). While this was being created, it was also ported to other systems beginning with the Commodore 64. All other versions were to be published by Firebird Software at a budget price. The C64 version actually made it to release a couple of months before the BBC/Electron version and became a number one best seller (hence the claim on the BBC/Electron cover).

Gameplay

Acorn Electron screenshot of Thrust - due to technical limitations specific to the Electron, this version ran in two colour mode

The aim is to pilot a spacecraft which must pick up a pod using a tractor beam and fly it into space. The ship and pod are subject to gravity and inertia, and being connected by a stiff rod can end up spinning around each other, out of control. Hitting the walls of the cave with either the ship or the pod results in death.

Each planet has turrets which fire bullets at the ship, which can be destroyed with a single shot, and a reactor which powers the defence system of each planet. If the reactor is shot enough the turrets will cease firing for a short amount of time. Hitting the reactor with many bullets causes it to go critical and destroy the planet in 10 seconds - the ship must escape into space before this happens, with or without the pod (more points are gained if the pod is present).

Fuel is needed to manœuvre the ship and can be collected with the tractor beam, if the ship runs out of fuel the whole game is over. A shield is also available, although when activated it uses fuel and the ship cannot shoot.

Later levels have doors that are opened by shooting a panel. After all 6 levels have been completed the levels start again, but first with gravity reversed, then with the planet and walls invisible unless the shield is used, and finally with invisible walls and reverse gravity. After the 24th level is complete a message is displayed. Two more messages are available after completing the 48th and 72nd level, and from then on the 3rd message is repeated. On the BBC Micro implementation, the messages displayed are "Support Hotol", "Physics is fun" and "I love space".

The realistic physics, pixel-perfect collision detection and a fearsome difficulty level were some of the main attractions of the game.

Ports and sequels

Official

As well as C64, Firebird released versions for Amstrad CPC, Atari 8-bit, Atari ST, Commodore 16/Plus 4, and ZX Spectrum.

Firebird also released a sequel, Thrust II[1] in 1988.[2]

Unofficial

Homebrew game Thrust by Thomas Jentzsch (2000)

More recently, unofficial ports have also been released for the Vectrex and Atari 2600 consoles. The Atari 2600 version, whose code was programmed by Thomas Jentzsch,[3] was published in 2000 by XYPE, and used the Atari CX-40 joystick; the game was re-released for the 2600 in 2002 as Thrust+ DC Edition (in addition to the CX-40 joystick, incorporates compatibility with the Atari Driving Controller, CBS Booster Grip, and an Atari 2600-compatible foot pedal controller) and again in 2003 as Thrust+ Platinum (uses the same controllers as Thrust+ DC, but includes music code by Paul Slocum which adds a title theme based on the C64 version's title theme by Rob Hubbard).[4] The Vectrex version was released in 2004.

Thrust was credited by Bjørn Stabell as an influence on the game XPilot.[5]

References

  1. ^ http://www.zzap64.co.uk/cgi-bin/displayreview.pl?reviewid=48
  2. ^ http://www.gb64.com/game.php?id=7898
  3. ^ Yarusso, Albert. "Thrust+ DC Edition". AtariAge. Retrieved August 26, 2010.
  4. ^ "thrust". Xype.
  5. ^ Stabell, Bjørn; Ken Ronny Schouten (1996). "The Story of XPilot". ACM Crossroads. Retrieved 2009-08-02.
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