We rank only casinos whose licence we could verify on the regulator's register, then score them on what actually drains a bankroll: the RTP versions they run, the true value of the bonus, rakeback and withdrawal speed.
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To withdraw a bonus you have to wager it many times, and every bet pays the house edge. Here is the average cost of clearing a $100 bonus on a 96% RTP slot.
Expected cost = bonus × wagering × house edge. Above $100, clearing it costs more than the bonus is worth.
By the Rinse Index: how long your money lasts, based on the RTP versions of 20 popular slots, the value of the bonus after the cost of clearing it, rakeback as a share of the house edge, and timed withdrawals. Only casinos with a licence we could verify on the regulator’s register are ranked.
It depends on where you live. Many countries restrict or ban online casinos, and some only allow locally licensed sites. Check your local rules before you sign up. The casinos on this page do not accept players from the UK.
Not usually. Wagering means paying the house edge on every bet you make to clear it. At 96% RTP, clearing a $100 bonus at 40x costs about $160 on average, more than the bonus is worth.
Because we could not find a current licence for them on the regulator’s own register. We list them so you know why they are not ranked.