If anybody has a third party backup cartridge for the Saturn, how reliable is the Interact Memory Card Plus?

I have 3 Interact backup cards. One of them doesn't work too well, but I have no problems with the others.

I haven't been playing any games because I caught Crawl's stomach flu. I spent almost all of yesterday sleeping, except for the 2 1/2 hours that we watched Aliens Special Edition with Commentary. I can't believe I slept so much.
I Crawl and 1000
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