[beepy]

I think I follow, thank you. Perhaps a reduced animation option (or respecting prefers-reduced-motion setting) would help.

[airstrike]

While we're on the topic, I found the animations in between puzzles too distracting, particularly given there's a timer. If you're timing me, the puzzle better let me play as fast I can!

[anentropic]

I think, once you've put a letter in place, clicking another letter should either be blocked until animations are finished or should go ahead and fill the next available place