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

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Critic Reviews 85% add missing review

Top Secret (5 out of 5) (100%)

Gra jak na gatunek SHOOT'EM UP jest bardzo dobra, niektĂłrzy sądzą, ĆŒe najlepsza. Grafika jest szybka i urozmaicona co sprawia, ĆŒe gra jest pasjonująca. Akcja gry rozgrywana jest na bardzo rĂłĆŒnorodnym terenie, caƂe robactwo latająco-peƂzająco-strzelające posiada wiele rĂłĆŒnych, bardzo dobrze animowanych wcieleƄ. Gra technicznie zrobiona fenomenalnie. WspaniaƂa rozrywka dla maniakĂłw dobrej strzelanki. Wszyscy amatorzy mocnych wraĆŒeƄ chwyćcie mocniej joysticki i do boju, w obronie rodzimej planety!

Jan 1993 · Amiga

One, The (93 out of 100) (93%)

Glorious graphics, sound that goes beyond the functional and that elusive 'one more try' factor makes SWIV an essential purchase for blasting fans.

Mar 1991 · Amiga · read review

Computer and Video Games (CVG) (93 out of 100) (93%)

The graphics on the Amiga version are absolutely stunning, using the Copper chip to the full - the backgrounds are all made up of separate sprites! The C64 doesn't lose out, either, with loads of craft nipping around the screen like there's no tomorrow! The sound on both games is also outstanding, with tons of loud and raucous explosions - when the going gets tough (which it invariably does), it sounds like a full-scale war! Add to that the automatic difficulty level (which takes into account how you're doing and if one or two players are taking part), and you've got yourself one of the most addictive and playable blasters in ages. Miss this and you'll never forgive yourself!

Apr 1991 · Amiga · read review

Amiga Format (92 out of 100) (92%)

Well presented vertically-scrolling shoot-em-ups are few and far between these days, so SWIV comes as a glorious return to the genre. It looks good, sounds wonderful and contains some of the most frantic action yet seen in a shoot-em-up. So get it and try pumping some lead!

Apr 1991 · Amiga · read review

Amiga Action (91 out of 100) (91%)

After seeing the beginning stages of SWIV at the ECES show I just couldn't wait to see the finished game, and now that it's here it's just as good as I thought it was going to be. When you first play the game, although the sound and graphics are superb the gameplay doesn't seem that great, but then you realise that the difficulty level gradually changes according to how well you're doing. This avoids you being put in a situation where the enemy is rock solid and all you've got is your initial gun. SWIV really is totally amazing and a must for any computer owner.

May 1991 · Amiga · read review

Zero (91 out of 100) (91%)

Right let's get things in the open. (Put that away! Ed.) This game has absolutely nothing -NOTHING- to do with Silkworm, but they could stand for other things as well. (Like what? Ed.) Well, like er, Soviet Willies for example, or Sausage Watch, or Seduction Wedge, or... or... lots of things. (What about the 'IV' part then? Ed.) Well, 'IV' stands for... for... intra-venous. So the game is not actually the sequel to Silkworm but in fact called 'Starch Wobbly In Vegetable'. Okay, so it has a helicopter and jeep working together, providing cover for each other, penetrating the vastness of enemy the terrain. But it's just sheer coincidence that Silkworm involved much the same thing. And yeah, they might be programmed by the same team who brought you Silkworm, but that is, as the Russians say, how the economy crumbles.

Nov 1990 · Amiga · read review

Computer and Video Games (CVG) (90 out of 100) (90%)

The graphics on the Amiga version are absolutely stunning, using the Copper chip to the full - the backgrounds are all made up of separate sprites! The C64 doesn't lose out, either, with loads of craft nipping around the screen like there's no tomorrow! The sound on both games is also outstanding, with tons of loud and raucous explosions - when the going gets tough (which it invariably does), it sounds like a full-scale war! Add to that the automatic difficulty level (which takes into account how you're doing and if one or two players are taking part), and you've got yourself one of the most addictive and playable blasters in ages. Miss this and you'll never forgive yourself!

Apr 1991 · Commodore 64 · read review

Raze (90 out of 100) (90%)

It is definitely a game that was designed for two players and anyone who misses the chance to set up a deadly crossfire using both vehicles is clearly going to lead a very sheltered life. In fact the poor chap could miss out on the shoot-'em-up of 1991. (Whoops, now I've put my foot in it.)

Jun 1991 · Amiga · read review

Your Sinclair (90 out of 100) (90%)

Addictive and very good-looking 2-player shoot-'em-up. It's not perfect but it's still the biz.

May 1991 · ZX Spectrum · read review

Commodore Format (88 out of 100) (88%)

SWIV's graphics are excellent. The animation is smooth and the backdrops and sprites work well together. Sound is a funky groove thang as well. A juicy soundtrack with stonking explosions and gunfire increase the adrenalin factor no end. Above all it's hugely playable. The single player option is dead spiffy and the two player mode doubly so. A splendid shoot 'em up which no respecting gamester should overlook.

Mar 1991 · Commodore 64 · read review

Amiga Joker (86 out of 100) (86%)

Ballerorgien gibt’s bekanntlich viele, aber nur sehr wenige können den Action-Freak wirklich zur Extase treiben. “Silkworm” war so ein Fall, und Storms neue Game fĂ€llt ebenfalls in diese Kategorie! Der Vergleich mit der altehrwĂŒrdigen Seidenraupe drĂ€ngt sich förmlich auf, denn bei SWIV handelt es sich um einen inoffiziellen Nachfolger des Action-Klassikers. Aber ob nun „Silkworm IV“ oder SWIV (habt Ihr die Namensverwandschaft bemerkt?), hier wartet ein Shoot 'em up der Sonderklasse.

Apr 1991 · Amiga · read review

CPC Attack! (86 out of 100) (86%)

It's not the fastest game about, but there's always plenty happening, with gunships, turrets, and battle-stations in abundance. At first glance, I was disappointed with SWIV, but I soon came round after a few games. True, it's slower and less challenging that the 16-bit version, but it gets harder into the later levels and is still the best vertical scrolling shoot-'em-up on the CPC.

Jun 1992 · Amstrad CPC · read review

Play Time (85 out of 100) (85%)

Der Archimedes meistert die Anforderungen des Spiels mĂŒhelos: Auch wenn es durch die vielen Sprites und SchĂŒsse auf dem Bildschirm manchmal fast schon etwas unĂŒbersichtlich ist, wird der Spielverlauf dennoch nicht langsamer - nur selten merkt man eine kleine Verzögerung, wenn das Laden von Diskette (nicht bei Festplatte!) zuviel Zeit verbraucht. Durch das recht sanfte Scrollen, die gute Spielbarkeit und die gute Grafik ergibt sich ein Spiel, das auf dem Archimedes zu den besten Ballerspielen gehört, die bisher umgesetzt wurden und die Herzen von Action-Fans höher schlagen lĂ€ĂŸt.

Feb 1993 · Acorn 32-bit

Atari ST User (85 out of 100) (85%)

Yes, it's a mean game of soldiers, this one, but unlikely to have the same impact as its possible "relative", Silkworm, a previous Storm offering. SWIV is compulsive and best played with a partner. Graphics are of arcade quality and the sound effects are crisp and convincing.

Jun 1991 · Atari ST · read review

Good Old Days, The (staff reviews only) (5 out of 6) (83%)

Without a doubt SWIV offers an arcade perfect experience on a home system which was unheard of at the time. Unfortunately, arcade standards have also been applied to the difficulty level. Although enemies don't generally zip across the screen, their sheer numbers (plus their bullets) make finding a semi-safe spot to move to often close to impossible. Though at least it never fully crosses that line of impossibility. The shoot 'em up genre surely never was one for newcomers.

Jun 4th, 2022 · Amiga · read review

Amiga Power (5 out of 6) (83%)

Looks good, sounds good, comes with a neat two-player option - and all in one (massive) level too! There aren't any bad things (unless you find all those drab military-style colours a bit depressing). Frantic - one of the best shoot-'em-ups we've seen.

May 1991 · Amiga · read review

Crash! (83 out of 100) (83%)

A spectacular two-player blaster (if you've got a chum), not so sizzling as a one-player game.

Apr 1991 · ZX Spectrum · read review

Zzap! (83 out of 100) (83%)

After going down a storm following their first victory against a group of mad generals, all seemed well for Hot Wheels Hooliha, Armoured Jeep commander extraordinaire and his Helicopter Gunship buddy, Rotor Head Ralph. Together they're the Special Weapons Interdiction Vehicles team and they'd just begun to take in some R and R when an alert came in. Looks like another bunch of mad generals is on the loose with secret factories producing new weapons by the ton load. So start the rotors up, Ralph, jump-start that Jeep, Hoolihan and kick some mad ass! (Nothing like a quick start to the mayhem, don't you think!)

Apr 1991 · Amiga · read review

Amiga User International (81 out of 100) (81%)

The combination of speed, clear but highly detailed graphics, sound and visual effects made Silkworm a surprise classic. SWIV is almost there, but just misses out on "hall of fame" status, partly due to the slight lack of urgency, which is linked to the very slow moving backgrounds. It never quite feels as if you're really motoring, even though the screen is filled with explosions, missiles and swirling waves of aircraft. It's not bad though, far from it. SWIV is definitely one of the best zappers seen this year, and will more than satisfy those suffering from the recent shoot 'em up drought.

Jul 1991 · Amiga · read review

64'er (8 out of 10) (80%)

Die Grafik ist leider ein wenig schwach, denn das Schlachtfeld und die Sprites sind nur mittelmĂ€ĂŸig gestaltet. Dies tut aber dem Spiel keinen grĂ¶ĂŸeren Abbruch, da man ja eh nur auf feindliche Objekte und Geschosse achtet. Eine feine Ballerei fĂŒr den, der es mag.

Jun 1991 · Commodore 64 · read review

Games-X ( ) (80%)

Although SWIV is a well presented and playable shoot 'em up it is far from original. There is very little here to make SWIV really stand out among the numerous other shoot 'em ups available in the marketplace. If you like a good blast and especially if you like two player games SWIV is a quality product with well animated and slick graphics, silky smooth scrolling and some fairly respectable sound. ON top of this it is also remarkably playable!

Mar 1991 · Atari ST · read review

ST Format (78 out of 100) (78%)

SWIV certainly isn't the most original game ever to be conceived for the ST - it "borrows" ideas from many other similar kinds of games. Even so, these ideas are combined together quite well, and while SWIV isn't the state-of-the-art in computer gaming, fans of the quick blast are going to have heaps of fun. It's even better when there are two of you. Double the players and you more than double your blasting fun.

May 1991 · Atari ST · read review

Retro Archives (15.5 out of 20) (78%)

Proposant une rĂ©alisation rĂ©ellement impressionnante pour la machine, avec des dizaines de sprites constamment Ă  l'Ă©cran, le titre conserve Ă©galement le gameplay asymĂ©trique de son aĂźnĂ© et propose Ă  n'en pas douter un des tout meilleurs shoot-them-up Ă  deux joueurs de la ludothĂšque de l'Amiga. Mieux vaudra ĂȘtre prĂ©parĂ©, cependant: SWIV est un titre difficile dont le faux rythme qui vire au marathon exige une concentration de tous les instants, Ă  tel point que mĂȘme la frĂ©nĂ©sie ambiante n'empĂȘche pas qu'on finisse fatalement par dĂ©crocher sur le long terme. Une difficultĂ© mieux Ă©quilibrĂ©e et un peu plus de variĂ©tĂ© dans les adversaires n'auraient clairement pas fait de tort, et en l'Ă©tat, en dĂ©pit de qualitĂ©s indĂ©niables, on se surprend Ă  penser qu'on s'amusait peut-ĂȘtre plus sur Battle Squadron. Un trĂšs bon reprĂ©sentant des shoot-them-up sur ordinateur avec leurs forces et leurs faiblesses.

Jul 12th, 2020 · Amiga · read review

ASM (Aktueller Software Markt) (9 out of 12) (75%)

Dadurch, daß alles schon mal dagewesen ist und die Motivation im Ein-Spieler-Modus nicht gar so lang anhalten kann, halte ich einen Hit-Stern fĂŒr nicht gerechtfertigt. Nun, SWIV ist ein sehr gutes Programm, doch leider gleicht es einer FrĂŒhlingssuppe: Man nimmt ein bißchen davon, ein wenig hiervon und schon ist sie fertig .

Apr 1991 · Amiga · read review

Retro Archives (15 out of 20) (75%)

Si SWIV fait sur ST trĂšs lĂ©gĂšrement moins bien que sur Amiga, cela ne concerne finalement que des dĂ©tails assez nĂ©gligeables, et le plaisir de jeu est quasiment le mĂȘme. Un trĂšs bon shoot-them-up Ă  deux joueurs pour la machine.

Jul 12th, 2020 · Atari ST · read review

Retro Archives (14.75 out of 20) (74%)

Il y a vraiment de quoi ĂȘtre impressionnĂ© par la sorcellerie dont semblaient capable certains dĂ©veloppeurs avec une machine comme le C64. SWIV n’est pas seulement un des meilleurs shoot-them-up de la machine, il se permet de rivaliser avec les versions 16 bits grĂące Ă  une maniabilitĂ© et un Ă©quilibrage sans faille. Si vous voulez dĂ©couvrir Ă  quoi peut ressembler un excellent shoot-them-up sur ordinateur 8 bits, ne cherchez pas plus loin!

Jul 12th, 2020 · Commodore 64 · read review

Power Play (70 out of 100) (70%)

Nach dem enttĂ€uschenden "Saint Dragon" haben die Random-Access-Programmierer wieder zugelegt. Swiv ist ein stimmungsvolles Ballerspiel, das fĂŒr handfeste Action auf dem Bildschirm sorgt. Da man sich die Art der Extras kurzfristig aussuchen kann, kommt sogar eine strategische Note ins Spiel. Technisch fĂ€llt Swiv sowohl positiv (nachladen wĂ€hrend des Spiels, viele Objekte gleichzeitig), als auch negativ (gelegentliches Ruckeln, relativ langsam) auf. Wenn man sich das Unterangebot an guten Actionspielen auf dem Amiga ansieht, dann steht dem Erfolg von Swiv (bis auf das erstklassige "Turrican II") wenig im Weg. Wer auf kernige Action mit leichtem Touch zur UnĂŒbersichtlichkeit und Hektik steht, der wird prima bedient.

May 1991 · Amiga · read review

Retro Archives (9.5 out of 20) (48%)

Le ZX Spectrum aura su composer avec ses limites pour proposer une version de SWIV tout Ă  fait dĂ©cente Ă  dĂ©faut d’ĂȘtre une bombe vidĂ©oludique. On peut toujours s’amuser, on peut toujours jouer Ă  deux, le rythme comme la maniabilitĂ© sont bons, mais on sent bien que l’action a baissĂ© d’un cran. Un bel effort, cependant.

Jul 12th, 2020 · ZX Spectrum · read review

Retro Archives (8 out of 20) (40%)

Le CPC n’était peut-ĂȘtre pas au sommet de sa forme en 1991, mais il eut sans doute mieux valu le laisser mourir en paix plutĂŽt que de salir sa mĂ©moire avec des portages minables effectuĂ©s directement depuis un ordinateur qui allait sur ses dix ans. SWIV est ici une expĂ©rience pĂ©nible et ennuyeuse oĂč on regarde le temps passer lentement, trop lentement, en attendant qu’il se passe quelque chose.

Jul 12th, 2020 · Amstrad CPC · read review

Player Reviews

Faultless arcade game, near-faultless conversion.

The Good
Wave after wave of enemy came forth, and it was down to your skill as to whether you shot them, avoided them, or got sent to heaven. The attack waves were designed in a brilliant way so as to be beatable but not easy.

The lack of power-ups was a blessing in disguise, as it ensured that losing a life at the wrong moment didn't destroy your game, and demonstrated that it wasn't just through making the enemies unfairly tough that the game derived its challenge..

Unlike Silkworm, the two player game gave both players a fighting chance, and made for a high level of co-operation.

There were no breaks in play, due to the single-level design, and the Dynamic Loading System brilliantly recreated this, with scarcely-noticable loading sounds (impressive considering how noisy the Amiga's disk drive sometimes was) and no pauses during play

The Bad
You could say the graphics were a little unexciting, and they certainly lacked variety. The game's failure to work with later Amigas was a disaster

The Bottom Line
The game was reputedly called SWIV because the developers felt that it was 4 times as good as the original Silkworm. Like its predecessor it was an overhead-view shooter featuring a helicopter and a jeep. Scrolling vertically, you had both moving and mounted targets to take on, based on land, air and sea. It was all made as one long level, with larger tougher enemies at regular intervals.

by Martin Smith (79) on Oct 29th, 2003 · Amiga

Plus 31 player ratings without reviews

Contributors to this Entry

Critic reviews added by JudgeDeadd, Tomas Pettersson, Hello X), Tim Janssen, xPafcio, Martin Smith, Jo ST, lights out party, FatherJack, Patrick Bregger, Mr Creosote, Alsy, Terok Nor.