Contamination rate of Happiness Virus : 0,62%
When the city (or village) selected reaches 10%, it will be contaminated by the virus Happiness!
1 Happy testimony= 10 Points Of Presence (POP)!
All investments of the Happy Shareholders may not exceed the amount of 50% = 287880 POP
I'm happy when my pupils smile in class and when they seem to be happy to be at school.