I added a new upgrade: RuBY
Published on 18-02-2021
RuBY
I added a new upgrade worth $ 3.00
Value of one ad 0.125 x 4 ads per day = $ 0.5 / day
The duration of the upgrade is 7 days.
7 days x $ 0.5 / day = $ 3.5
So after 7 days your winnings will be $ 3.5