Genre is the Memory Match kind, here is one of the best and Votes agree. Br0derbund was an Atari powerhouse, this simple type of thing wasn't their usual style.
Tiles are animated in four-color, guess the hidden word makes for expanded gameplay, and there are also musical melodies for each tile. One or two I don't recognize, there's row row row your boat, oh my darling clementine, I've been working on the railroad, twinkle twinkle little star, the old gray mare she ain't what she used to be?, London Bridge is falling down, jingle bells (dashing through the snow in a one horse open sleigh), my country tis of thee, and pop goes the weasel. First card "calls out" the opening part of the melody and if you Match that card then it "answers" with the 2nd half melody. Card animations r cutesy too, there is PacMan eating a blue ghost for example, and that most famous home video of BigFoot taking a stroll. Screenshot on the games list has what looks like a SeaHorse and my version has no seahorse? so there may be more than one version. There's Demo Play too.