I wouldn't call it sluggish. It's just that the tiles only update on mouseup events, rather than on mousedown events. Your own finger's turtle speed is the only

I wouldn't call it sluggish. It's just that the tiles only update on mouseup events, rather than on mousedown events. Your own finger's turtle speed is the only source of latency ;) But I agree that applying different styling to tiles on both hover events and mousedown events would make it feel snappier. (I've only tried this on desktop. Haven't tried it on mobile)