IMAGINE IF GAMES COULD BREED...
...and you cross-bred a slide puzzle with a Scrabble. And then you cross-bred the resulting Slabble with a Rubik Cube. You might get a Slab. Or even a Slube. But if you were really, really lucky, you will end up Worzled.
Slide the tiles up, down, left and right to rearrange the letters into words. Gold tiles higher than silver; silver tiles higher than bronze. Line up multiple words in one go to watch your score grow.