Silkworm (video game)

Silkworm is a classic side scrolling shooter, developed by Tecmo and first released for arcade in 1988. In 1989 it was ported to the Amiga, Atari ST, Commodore 64, ZX Spectrum, Amstrad CPC and NES (1990) systems by The Sales Curve and released by Virgin Mastertronic.

Silkworm
Cover art (NES)
Developer(s)Tecmo
Publisher(s)Tecmo
The Sales Curve
Sammy
Virgin Mastertronic
Composer(s)Barry Leitch (Amiga)
Platform(s)Arcade, Amiga, Amstrad CPC, Atari ST, Commodore 64, Nintendo Entertainment System, ZX Spectrum
Release1988
Genre(s)Scrolling shoot'em up
Mode(s)Single-player, Two-player

Silkworm also spawned what many consider to be a spiritual successor to the game - SWIV.[1] While SWIV was not a direct sequel, it followed the same core gameplay design of a helicopter/jeep team, albeit as a vertically scrolling shooter instead of a horizontally scrolling one. SWIV was described in the game's manual to mean both "Special Weapons Intercept Vehicles" and "Silkworm IV".

Release

Silkworm was released at a time where side-scrolling shooting games were among the most popular genres - it was released at the same time as Forgotten Worlds,[2] Sanxion,[3] Mr. Heli[4] and DNA Warrior.[5]

The Spectrum version took 3 months to program from start to finish, and was a copy of the Amiga version, which was almost arcade perfect.[6]

The game reached number three in the UK Spectrum sales charts, behind RoboCop and Dragon Ninja.[7]

In November 1990, Virgin would rerelease Silkworm as part of the Edition 1 compilation, which also included Double Dragon, and the shoot'em ups Gemini Wing, and Xenon.[8]

Gameplay
Silkworm on the Amiga

Silkworm had interesting graphics and relatively fast-paced gameplay. The player can take control of a Jeep mounted with a machine gun or a Helicopter mounted with forward and downward firing guns. Two players can work simultaneously and cooperatively against enemies, with one playing as the Jeep and one as the Helicopter.

In single-player mode, it is generally easier to play with the Helicopter than with the Jeep. When in Jeep mode, the player needs to destroy everything directly in front of it or be prepared to jump in order to avoid collisions. In two-player mode, the Helicopter and Jeep must cooperate and the players depend on each other to succeed. For example, the Helicopter can only fire forward, so occasionally, the Jeep must cover the rear with his swivelling gun. However, when covering the rear, the Jeep is vulnerable from the front, so the Helicopter must cover him.

Silkworm featured a fairly wide variety of enemies, some of which had specific weaknesses, such as the armoured AA guns that could only be harmed when their shields were down to fire. Most famously, there was the "Goose" helicopter - a giant, heavily armoured "mini-boss" helicopter that was composed of several smaller vehicles connected together.

The players collect shields (which could alternatively be shot by the player in order to destroy all enemies on the screen), power cells which increase firepower and an additional bonus can be added to the score achieved. The game gets harder on the completion of each level, which feature destructible environmental elements, such as buildings and ancient ruins.

The speed was one of the defining parts of the gameplay, which the programmers who worked on the home conversions were keen to preserve, using a variety of programming techniques.[6] One element that required work was the control system (the arcade original had three buttons, whereas most home systems had just one), but this was solved without much problem.

Silkworm featured a background music theme composed by Barry Leitch, which went on to be a minor cult hit, being included on a Sinclair User covermounted cassette, along with such classics as Shinobi and Continental Circus.[9]

Final

Silkworm belongs to the games that "don't have a final": after a certain level, the game goes on infinitely. Despite many other games of this kind, however, after a certain level it says to the player that it's not going to accept any more coins to continue the current game.

It was thought computer conversions of this game only offered the player a notice as a final screen after beating a certain level, ending the game. The only exceptions being the Atari ST, Amiga[10] and NES conversions where there is a final sequence and an ending. A video released by ChinnyVision in August 2019 disproved this and shows endings for the Amstrad CPC and Commodore 64 conversions.[11]

gollark: I interacted with someone in the internet who said that “If technology puts humans out of jobs, then that technology should be banned”, which is a very something take which I do not like.
gollark: I mean, assuming only genetic factors are at work, probably? But there are other ones.
gollark: Unless you're one of those horseshoe centrists.
gollark: Well, that means their ideological distance from you is lower.
gollark: You could buy tank insurance?

See also

Reception
Reception
Review scores
PublicationScore
Crash73%[12]
CVG87%[13]
Sinclair User86%[14]
Your Sinclair90%[15]
The Games Machine77%[16]
Award
PublicationAward
Your SinclairMegagame

In Japan, Game Machine listed Silkworm on their April 1, 1988 issue as being the fifth most-successful table arcade unit of the year.[17]

The game was well received. Your Sinclair praised the 2-player mode and the sound effects.

References
  1. "ACE - Issue 40". World of Spectrum.org.co.uk. Retrieved 2018-01-09.
  2. "The YS Rock'n'Roll Years - Issue 43". Ysrnry.co.uk. Retrieved 2012-01-22.
  3. "The YS Rock'n'Roll Years - Issue 42". Ysrnry.co.uk. Retrieved 2012-01-22.
  4. "The YS Rock'n'Roll Years - Issue 44". Ysrnry.co.uk. Retrieved 2012-01-22.
  5. "The YS Rock'n'Roll Years - Issue 41". Ysrnry.co.uk. Retrieved 2012-01-22.
  6. http://www.worldofspectrum.org/showmag.cgi?mag=SinclairUser/Issue087/Pages/SinclairUser08700060.jpg
  7. "The YS Rock'n'Roll Years - Issue 46". Ysrnry.co.uk. Retrieved 2012-01-22.
  8. "Edition 1". Ysrnry.co.uk. Retrieved 2012-01-22.
  9. http://www.worldofspectrum.org/infoseekid.cgi?id=0013713
  10. https://www.youtube.com/watch?v=UoDJS_5yr_w
  11. ChinnyVision - Ep 297 - Silkworm - C64, Spectrum, Amstrad CPC, Atari ST, Amiga, retrieved 2019-08-30
  12. "Archive - Magazine viewer". World of Spectrum. Retrieved 2012-01-21.
  13. "Archive - Magazine viewer". World of Spectrum. Retrieved 2012-01-21.
  14. "Archive - Magazine viewer". World of Spectrum. Retrieved 2012-01-21.
  15. "Silkworm". Ysrnry.co.uk. Retrieved 2012-01-21.
  16. "Archive - Magazine viewer". World of Spectrum. Retrieved 2012-01-21.
  17. "Game Machine's Best Hit Games 25 - テーブル型TVゲーム機 (Table Videos)". Game Machine (in Japanese). No. 329. Amusement Press, Inc. 1 April 1988. p. 25.
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