Whoever asks "How do casino bonuses work?" is usually weighing a bonus offer. A casino bonus arrives with a wagering requirement, and that single number decides whether the bonus is worth taking. It states how many times a sum must be staked before the bonus, and anything won with it, can be withdrawn. Two offers of the same size can ask for very different amounts of play once the multiplier, the base it applies to and the games that count are read together.
Some titles are excluded from bonus play altogether, often slots with a high return or with features that could be used to clear a requirement cheaply. Playing an excluded game with bonus funds can void the bonus and every win attached to it, even when the game loads without any warning. The list usually sits at the end of the bonus terms or on a separate page. Checking it before the first spin avoids losing a balance to a rule nobody mentioned anywhere in the lobby.
The multiplier matters less than the sum it applies to. A requirement of thirty times the bonus on a bonus of one hundred units means three thousand units of stakes, while thirty times the deposit plus the bonus doubles that figure on a full match. Terms state the base in a single line that is easy to skip. Working out the total turnover before accepting shows the real size of the task, and it often turns an attractive headline into a modest one.
Many casinos keep cash and bonus funds in separate balances and spend them in a set order. Where cash is used first, a player can win and withdraw before the bonus is touched, and the bonus simply lapses. Where the bonus is used first, or the two are merged, every win stays locked until the requirement is complete. A progress bar in the account shows how much turnover remains, and it is the quickest way to see where a session stands.
Quick answers
What does a wagering requirement actually measure?
How many times a stated sum must be staked before a bonus and its winnings can be withdrawn; the sum it applies to matters as much as the multiplier.
Is there a maximum bet while wagering a bonus?
Most terms cap each spin or hand during wagering, and a single stake above that limit, even by accident, can cost the bonus and its winnings.
How is total turnover for a bonus worked out?
Multiply the requirement by its base: thirty times a bonus of one hundred units means three thousand units of stakes before any withdrawal.
What happens if an excluded game is played with bonus funds?
The casino can void the bonus and every win attached to it, even when the game loaded without any warning.
Which balance is used first, cash or bonus?
The order is set by each casino: where cash goes first, a player can win and withdraw before touching the bonus; where the bonus goes first, winnings stay locked.
Do all casino games count equally toward wagering?
No. Slots usually count in full, while table games, live games and video poker may count for a small share or nothing, as listed in a contribution table.