You've built in 10 huge building stones. 442000 experience points earned! You need 47 746 436 more

There is a helpful tool on this forum called "Search". Try using it. Try searching for "Quest 11" 

Hey, I won't turn down free money. Sign me up? :)

More game would be good!

You've built in 10 huge building stones. 240500 experience points earned! You need 14 085 894 more