The bonus request process at Spinmillion involves several steps, from meeting the required criteria to submitting a request. Understanding these steps is crucial in increasing the chances of a successful bonus request. The eligibility criteria for bonus requests at Spinmillion include a minimum deposit amount of $100, a total wager amount of $1,000, and a timeframe of 30 days to meet these requirements. Additionally, only certain types of games, such as slots, table games, and live casino games, are eligible for bonuses.