8 Million+ copies sold but almost no retention

[sportsmaster-21984]

What does upgrading items cost at level 100 ?
Billions of gold ?

I just spent 20 million gold at level 60 to upgrade a few items.

All gold suddently gone - Suspected gold counter buffer overflow

All my gold is suddenly gone, I had 5,10 or 20 million or so…at some point it was so much, that I didn’t look at the gold counter anymore. Today its all gone now I suspect a counter overflowed and reset my gold to zero. Please recover my gold balance and fix the gold counter bug.