Which is the Best Version of Street Fighter 2?

There are so many different versions of Street Fighter 2 that it can be difficult to tell them apart, let alone decide which of them is the best one.

Street Fighter II (1991) - MobyGames

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Street Fighter II': Hyper Fighting, Street Fighter Wiki

Review: Ultra Street Fighter II The Final Challengers

What was the best version of Street Fighter II? - Quora

Street Fighter II': Champion Edition (video game, 2D fighting) reviews & ratings - Glitchwave

Every platform a version of Street Fighter 2 was ported to. (There's 5 images) : r/retrogaming

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What's The Best Version Of Street Fighter II On Nintendo Systems?

What was the best version of Street Fighter II? - Quora