Countless game shows have been remade as well...a list too long to mention
This made me think of a couple recent game shows that were essentially old shows with new names, which the producers got away with because most of their audiences were too young to remember the originals.
"Minute To Win It" (with Guy Fieri from the Food Network)..."Beat The Clock"
"Figure It Out" (was on Nickelodeon some years ago)..."I've Got A Secret"
"Identity" (Hosted by Penn Jillette a few years ago)...The "Who's Who" segment from the syndicated version of "What's My Line?" stretched out to an hour (maybe half hour, but still!)