The Strategic Defense Initiative gives your civilization some defense against ICBMs and nuclear missiles.


Main article: SDI Defense (Civ1)

Civilization II

Main article: SDI Defense (Civ2)

Civilization III

Main article: SDI Defense (Civ3)

Civilization IV

Main article: SDI Defense (Civ4)

Other games

SDI Defense is not present in (or the article has not been created for) the following games :

Game Article
Civilization VI SDI Defense (Civ6)
Civilization: Beyond Earth SDI Defense (CivBE)
Civilization Revolution SDI Defense (CivRev)
Civilization Revolution 2 SDI Defense (CivRev2)
Freeciv SDI Defense (Freeciv)
Civilization: Call to Power SDI Defense (CTP1)
Call to Power II SDI Defense (CTP2)
C-evo SDI Defense (C-evo)
FreeCol SDI Defense (Freecol)
Sid Meier's Alpha Centauri‎ SDI Defense (SMAC)

Future Technology (CivRev)
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