It turns out that the fewer people play, the more chances they have to win a bank of time, but then it makes no sense to invite friends to the game as there will be more competitors

Each user can participate in the referral program. To do this, you need to generate a referral link to attract users in the game settings.
You can send your link to friends in personal messages or post on any websites over the Internet.
You will be receiving a commission of 5% from each painting for an unlimited time, after other users click on your link and start playing.