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User Reviews

There are no reviews for this game.

Our Users Say

Category Description User Score
Gameplay How well the game mechanics work and the game plays. 3.4
Graphics The visual quality of the game 3.7
Personal Slant A personal rating of the game, regardless of other attributes 3.4
Sound / Music The quality of the sound effects and/or music composition 3.3
Overall User Score (9 votes) 3.5

Critic Reviews

MobyRanks are listed below. You can read here for more information about MobyRank.
Tilt (Jun, 1987)
Les deux blocs sont en guerre : l'Est contre l'Ouest. Vous devez coordonner le système orbital de défense stratégique américain contre l'agression soviétique. Le temps presse, les urgences sont nombreuses. Des animations passionnantes pour un jeu difficile. Les situations y sont multiples et variées.
Commodore User (Jun, 1987)
S.D.I. is a bit like the film Top Gun; it's a treat to look at, but ideologically it's phenomally unsound. And at the price its economics are pretty dodgy too.
Beeindruckend sind natürlich die Eingangsgrafiken. die jedoch nicht über die schwache Grundidee hinwegtäuschen können. Spielmotivation wird sich bei einer Vielzahl von Wohnzimmerbordschützen dennoch einstellen.
Taken from the Sega Global Defense, SDI boasts impressive graphics and professional presentation, but this does little to disguise the thin and repetitive gameplay - something it has in common with the ST version. In fact the major differences - as Is so often the case - are to be found in the in-game tunes and sound effects. Little more than a modernised Missile Command, SDI looks good but doesn't taste the same.