Wow, I do believe that’s a record! I didn’t get round to implementing any sort of leaderboard but I’ve certainly never heard of higher!
Thanks so much for your kind words and suggestions! A marker of how far you’ve come since the initial 2500m is a good idea. I wanted the tower to be perceived as a work already in progress, which is why your score already starts so high, but showing your personal contribution as a subtitle wouldn’t do any harm! And undo button is definitely on the list of QoL features - the accidental misclick or missed opportunity can hurt so bad. It’s slightly tough because undoing can’t undo your knowledge of the future, i.e. the card you drew after the last one was played. So if it gets implemented, it might be limited/costly, like once per milestone, or requiring you to discard a card to ‘pay’ for it, or something like that! I’ll have to see how it feels.
Thanks again, glad you enjoyed!