Free Spin Challenge is a tournament that takes place at Bob online casino daily from 19:00 to 01:00 Moscow time. 500 free spins are played in the competition.

To participate in the competition, you need to play slot machines from the Bob Casino collection at a rate of 0.5 euros or more. To win, you need to score the most points. Points are awarded for win multipliers in the ratio of 1 to 1. There is a leaderboard on the tournament page. It displays the 50 participants with the highest score. The data is updated in real time.

The prize fund is divided between the 15 participants who received the highest multipliers:

Free spins are awarded to the winners for the Book of Aztec slot machine. Wager for winnings from free spins — x10.