That shows the maximum as 25000, not 36000 sales per day.
The number of copies are in Euros, and there are 1.44 US copies per Euro copy, so the number sold is 36000 US copies per day.
That's not how currency exchange rates work...
I choose to interpret your parent as a joke.
One thing working for him is that to play the survival version, you have to pay. If there was a free trial, I probably would've given that a shot and then escaped from the potential clutches of addiction. But it was paid only, so I paid. And I rarely pay for anything.