In general, yes, although MUX is a more popular code base these days. MU* is also good for adapting tabletop games, for people who don't have a tabletop group or just can't get enough RPGs. I'm currently only active on Crucible City MUX, although World of Wonders MUX is coming soon, and I've been getting geared up for that.
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(People still MUSH? By candlelight while avoiding the black plague, I suppose).
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It was, as I recall
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