This is great. The speed aspect reminds me of the old AOL chatroom word scramble games. I personally love the timer, but I also do the newspaper anagrams without a pen, so I'm certain to be out of the majority on this.

A shuffle button would be nice (especially if it's keyboard friendly). I've found it useful for me with the NYT Spelling Bee. Sometimes my brain just gets stuck on a letter combination because two letters are close together, and the rearrangement helps.

It would be kind of fun to have an endless mode too, that just pulls words from the dictionary. Maybe not quite in line with the "daily word game" premise, but something I would personally find enjoyable.