You start with 0 points and everyday you lose 10. So you better do exercise, learn new things, achieve goals or do whatever is good for you to stay above 0.

Each user has its own currency and can issue money at any time to send to his friends. Every currency is equivalent to a certain amount of gold grams, but you can use a reference currency ($, €...) to better understand amounts.

Easily memorize numbers by converting them into words