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[In-game screen]
Full titleS.D.I.
Also known asS.D.I.: Now the Odds Are Even
Strategic Defense Initiative
Year of release1988
PublisherActivision Inc (UK)
Re-released byProein Soft Line (Spain) (as 'SDI: Now the Odds Are Even')
The Hit Squad (UK)
Author(s)Software Studios, Source Software Ltd (Ross Harris)
Tie-in licenceSega Enterprises Ltd (Japan) (arcade coin-op: SDI: Strategic Defense Initiative)
Machine typeZX Spectrum 48K
Number of players2 - alternating
ControlsKempston, Interface 2 and Keyboard
TypeArcade: Shoot-em-up
Message languageEnglish
Original publicationCommercial
Original price£9.99 (£14.99 for disk version)
Budget price£2.99
AvailabilityDistribution denied
Protection schemeMultiple schemes
Additional infoAppeared on the compilation 2x1: ISS + SDI (MCM Software S.A.)
Appeared on the compilation Special Action (Ocean Software Ltd)
Also listed on Wikipedia, Freebase and Lost in Translation
SPOT commentsoriginally handled by Martech
Other systemsThis title was also advertised for and/or published on the Amstrad CPC, Commodore 64 and Sega Master System
Score 7.33 (9 votes)   See scores and vote!

Release information
OriginModelCodeBarcodeD.L.YearEncoding scheme
Original release48KURK3010478754630111988None
Re-releaseProein Soft Line48K1988None
Re-releaseProein Soft Line48K
Re-releaseThe Hit Squad48KAC261991SpeedLock 7

Additional material
S.D.I..gif4,604(Loading screen)
S.D.I..scr6,912(Loading screen dump)
S.D.I..gif3,833(In-game screen)
S.D.I..zip5,299,224(Scanned Multi-language instructions - please help typing this up!)
S.D.I._English.txt9,551(English instructions)
S.D.I.(ProeinSoftLine).pdf20,078(Spanish instructions)
S.D.I.(TheHitSquad).txt2,747(English instructions)
S.D.I..jpg83,380(Cassette inlay)
S.D.I.(ProeinSoftLine)_Back.jpg133,291(Re-release cassette inlay)
S.D.I.(ProeinSoftLine)_Front.jpg118,632(Re-release cassette inlay)
S.D.I.(TheHitSquad).jpg88,246(Re-release cassette inlay)

Search The Tipshop The Tipshop has hints, cheats and/or POKEs for this game!
Preservation Team Shop This title is available for sale at The Preservation Team Shop!

Player reviews
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Magazine references
Crash9.86page 92(Preview) [full page]
Your Sinclair7.88page 7(News/Note) [full page]
Your Sinclair11.88page 12(Preview) [full page]
ACE12.88page 75(Review) [full page]
Computer & Video Games12.88page 58(Review) [full page]
Computer & Video Games12.88page 912(Preview - Christmas Crackers supplement) [full page]
New Computer Express12.88page 441(Review)
Games Machine1.89page 81(Review - not a Spectrum article) [full page]
Crash2.89page 58(Review) [full page]
Sinclair User2.89page 41(Review) [full page]
Your Sinclair3.89page 50(Review) [full page]
Games Machine5.89page 43(Review) [full page]
Crash7.91page 49(Review) [full page]
Computer & Video Games7.91page 85(Review) [full page]
Sinclair User7.91page 42(Review) [full page]
Your Sinclair7.91page 58(Review) [full page]
MicroHobby2.89page 14(Premiere)[full page]
MicroHobby3.89page 41(Nuevo)[full page]

Magazine adverts
ACE11.88page 72(Two-page ad) [full page]
Computer & Video Games11.88page 42(Two-page ad) [full page]
Your Sinclair11.88page 24(Two-page ad) [full page]
Your Sinclair12.88page 36(Two-page ad) [full page]
Crash5.91page 45(Advert - The Hit Squad advert) [full page]
Sinclair User5.91page 23(Advert - The Hit Squad advert) [full page]
Your Sinclair5.91page 44(Advert - The Hit Squad advert) [full page]
Crash6.91page 8(Advert - The Hit Squad advert) [full page]
Computer & Video Games6.91page 38(Advert - The Hit Squad advert) [full page]

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