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SDI - Strategic Defense Initiative
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SDI - Strategic Defense Initiative

SDI - Strategic Defense Initiative (c) 1987 Sega. A strategic challenge in the science of offensive & defensive warfare.

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SDI - Strategic Defense Initiative

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SDI - Strategic Defense Initiative

SDI - Strategic Defense Initiative is a classic Arcade Machine video game (ARCADE). On RetroLand, you can play SDI - Strategic Defense Initiative instantly in your web browser on desktop or mobile with zero downloads, complete with online Netplay co-op and Cloud Saves.

Controls: Enter (Start), V (Select / Coin), Z (A / Confirm), X (B), A (X / Z-N64), S (Y), Q (L), E (R), Arrows (Move)

How can I play SDI - Strategic Defense Initiative online for free?

Simply click the Play button on RetroLand to launch SDI - Strategic Defense Initiative directly in your web browser on PC, Mac, Android, or iOS without downloading any ROMs or emulators.

Does SDI - Strategic Defense Initiative support online multiplayer (Netplay)?

Yes! RetroLand includes built-in Netplay rooms so you can invite friends to play SDI - Strategic Defense Initiative together online in real time, along with Cloud Save states and custom controller mapping.