SDI - Strategic Defense Initiative

Shoot Them Up 

Type of the game: [Coin-Op] Arcade Video Game
SDI - Strategic Defense Initiative © 1987 Sega.

A strategic challenge in the science of offensive & defensive warfare.

Sega System 16A hardware
Game ID : 317-0027

Main CPU : 68000 (@ 10 Mhz)
Sound CPU : Z80 (@ 4 Mhz)
Sound Chips : YM2151 (@ 4 Mhz), UPD7759 (@ 640 Khz)

Players : 2
Control : 8-way joystick with button, trackball

Another version runs on the Sega System 16B hardware.

Released in April 1987.

This game is also known as "Defense".

Soundtrack releases:
Oct. 10, 1987 - After Burner [Sega Game Music Vol.3] [28XA-109]

* Flicky Mode :
1) Insert a credit (ONLY 1 credit)
2) Input code Up(x2), Down, Right, Down, Left, Down(x2) with Player 1
3) Input code Player 2 Shot button x3 then press Player 2 START button
4) Satellite (player character) will change to Flicky at the starting of Stage 2.

Planed by : Black Holl Tomo
Project leader : Joe Kacchan
Programmers : Sweet Tohchan, Anatano Pideshi, Ippo Ogapi, Defended Your State
Character designers : Saitama Kenji, 8940 KON
Scene designer : Henchan
Music by : Katsuhiro Hayashi (Funky Gerogero)
Mechanical engineer : MI.U.I.Hachi
Enemy creation : Demon Taka
Data adjust : Nanno Icchan

Consoles:

Sega Master System (1987)
Sony PlayStation 2 (2005, "Sega AGES 2500 Series Vol. 21 SDI & Quartett ~SEGA System 16 Collection Vol.1~")

Computers:

Commodore Amiga (1987)
Amstrad CPC (1988)
Sinclair ZX Spectrum (1989)

Others:

Mobile phones ("Mobile SDI", 2002)

Game's rom.
Machine's picture.