

SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027)
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About SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027)
Arcade Video game published 39 years ago:
SDI - Strategic Defense Initiative (c) 1987 Sega.
A strategic challenge in the science of offensive & defensive warfare.
- TECHNICAL -
Runs on the Sega "System 16A" hardware. Game ID: 317-0027
Players: 2 Control: 8-way joystick with button, trackball
- TRIVIA -
Released in April 1987 in Japan.
Re-Editions: "SDI - Strategic Defense Initiative [Model 317-0028]"
Export releases: "Defense [Model 317-0028]".
Soundtrack releases: [JP] Oct. 10, 1987 - After Burner [Sega Game Music Vol.3] [28XA-109]
- TIPS AND TRICKS -
* 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.
- STAFF -
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
- PORTS -
* 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 (2002) "Mobile SDI"
Player layout in our catalog: 2P sim.
If you are exploring by feel rather than by title, jump from the tags above into the matching genre rooms, or return to the Arcade hall for the full wall.
Open Play on this page to start SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027). Keyboard, USB/Bluetooth pads, and the on-screen touch gamepad all work inside the emulator bar. Save states and fullscreen live on that same bar so you can pause mid-session and resume later.
Cabinet dossier
SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027) is filed in our catalog as a 1987 release.
Player layout on this cabinet: 2P sim.
Genre tags on Classic Arcade Games: Shooter.
Credit line lists Sega as developer.
Screenshots






Next cabinets
Nearby cabinets you may also open from this hall (each on its own play page):After Burner II, Action Fighter, Bullet, Choplifter (8751 315-5151), Fantasy Zone II - The Tears of Opa-Opa (MC-8123, 317-0057), Fantasy Zone (Rev A, unprotected), Galaxy Force 2, Gain Ground (World, 3 Players, Floppy Based, FD1094 317-0058-03d Rev A), Heavy Metal (315-5135), Sega Ninja (315-5102), Space Harrier (Rev A, 8751 315-5163A), Sonic Boom
Explore more on this site
Same genre
After Burner II · Action Fighter · Bullet · Choplifter (8751 315-5151) · Fantasy Zone II - The Tears of Opa-Opa (MC-8123, 317-0057) · Fantasy Zone (Rev A, unprotected) · Galaxy Force 2 · Gain Ground (World, 3 Players, Floppy Based, FD1094 317-0058-03d Rev A) · Heavy Metal (315-5135) · Sega Ninja (315-5102) · Space Harrier (Rev A, 8751 315-5163A) · Sonic Boom
Same studio
After Burner II · Action Fighter · Bullet · Choplifter (8751 315-5151) · Fantasy Zone II - The Tears of Opa-Opa (MC-8123, 317-0057) · Fantasy Zone (Rev A, unprotected) · Galaxy Force 2 · Gain Ground (World, 3 Players, Floppy Based, FD1094 317-0058-03d Rev A) · Heavy Metal (315-5135) · Sega Ninja (315-5102) · Space Harrier (Rev A, 8751 315-5163A) · Sonic Boom
How to play SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027) online
- Arcade stick feel: Arrow keys for the joystick, X/Z (and nearby keys) for buttons, Enter=Start.
- USB / Bluetooth pads map cleanly; six-button fighters use the face-button cluster.
- On phones, open the on-screen pad from the emulator bar; rotate sits next to fullscreen.
- Save states, load, volume, and fullscreen stay on the emulator bar between credits.
Studio notes — Sega
Sega appears on this cabinet’s credit line. Browse more titles from the same studio on the developer shelf, or stay on this page and try the next cabinets in the same hall.
After Burner II · Action Fighter · Bullet · Choplifter (8751 315-5151) · Fantasy Zone II - The Tears of Opa-Opa (MC-8123, 317-0057) · Fantasy Zone (Rev A, unprotected) · Galaxy Force 2 · Gain Ground (World, 3 Players, Floppy Based, FD1094 317-0058-03d Rev A)
Questions about SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027)
Can I play SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027) free in a browser?
Yes. Classic Arcade Games hosts SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027) as a Arcade cabinet you can start on this page. The emulator loads in the browser; you do not need to install a separate app.
What controls does SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027) support?
Arcade stick feel: Arrow keys for the joystick, X/Z (and nearby keys) for buttons, Enter=Start. USB / Bluetooth pads map cleanly; six-button fighters use the face-button cluster.
What genre is SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027) on Classic Arcade Games?
Our catalog tags SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027) under Shooter. Open those genre rooms from the tags on this page to find more playable cabinets in the same feel.
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