Took me a while too. The domain (explordle) would have made it kind of obvious given the current trends of wordle clones, but I was misled by HN title which see

Took me a while too. The domain (explordle) would have made it kind of obvious given the current trends of wordle clones, but I was misled by HN title which seemed to imply (imo at least) it was some kind of exploration app instead of a guessing game. Still, enjoying it now :)