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aka: SilkWorm In Vertical, Silkworm IV, Special Weapons Interdictions Vehicles

Description official description

S.W.I.V. is a vertical scrolling shooter and an unofficial follow-up to Sales Curve's conversion of the side scroller Tecmo arcade game Silkworm.

One player controls a helicopter and the other a jeep, with the jeep transforming into a boat when the vehicles pass over water. As well as a host of blaster fodder the game also includes a mid-level enemy inspired by the "Goose" enemy from the earlier title Silkworm. Pieces of this enemy would fly onto the screen and assemble into one vehicle before commencing to fire at the players' vehicles. When destroyed the "goose" would drop power-ups.


  • SWIV - Alternate spelling

Groups +


Credits (Amiga version)

8 People

Published by
  • The Sales Curve Ltd on the Storm label
Programmed by
  • Random Access
Game Designed by
Music Composed by
Package Design by
  • Artistix
Instructions by




  • Amiga Power
    • May 1991 (Issue #00) - #27 in the "All Time Top 100 Amiga Games"
  • Commodore Format
    • July 1993 (Issue 34) - Modern Classics: Shoot-'em-ups

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Identifiers +

  • MobyGames ID: 7635


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Contributors to this Entry

Game added by Dan Marchant.

MSX added by robMSX. Atari ST, Commodore 64 added by Martin Smith. Amstrad CPC, Acorn 32-bit added by Kabushi. ZX Spectrum added by Martin Smith.

Additional contributors: Martin Smith, Игги Друге, Garcia, Jo ST, FatherJack.

Last modified February 22nd, 2023.