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ADVANTAGES
10 years of experience
With over 10 years in the industry, we've combined expertise in online gaming, mathematics, and analytics to help you make informed bets.
10,000+ bonuses tested & 1,400+ jackpots tracked
At 101RTP, we've tested 10,000+ bonuses and tracked 1,400+ jackpots, ensuring you know where the best winning opportunities are.
Boost your winnings
Our early users earned over $11 million in net profits — even before the project went public. We know how to help you win more.
KEY PARAMETERS
BEST CASINO IN NEW ZEALAND
We calculate casino ratings by analysing over 30 key factors: ratings, bonus conditions, payout reliability, transaction speed, customer support quality, and more. This guarantees you an accurate and objective evaluation for you to make the best casino choice.

rating
Expected value from all welcome bonuses
393
NZD
Expected ROI
+7%
Expected Value
25NZ$
Expected Winning
393NZ$

rating
Expected value from all welcome bonuses
393
NZD
Shows the expected profit from all welcome bonuses in the casino. We sum up the EV of each bonus, calculated based on 250,000 simulations using the Monte Carlo method.
Expected ROIExpected return on your deposit bonus (%). We run over 250,000 simulations to calculate the expected ROI with precision down to a single percent.
Expected valueExpected net profit from the bonus. We play through bonuses 250,000 times and calculate the average expected value using the Monte Carlo method.
Expected WinningAverage winnings from cleared bonuses. Since not every bonus is successfully cleared for a profit, the expected winnings from fully cleared bonuses are higher than EV. Important note – this metric only accounts for bonuses that have been fully wagered.

rating
Expected value from all welcome bonuses
3 502
NZD
Expected ROI
+37%
Expected Value
339NZ$
Expected Winning
1 258NZ$

rating
Expected value from all welcome bonuses
3 502
NZD
Shows the expected profit from all welcome bonuses in the casino. We sum up the EV of each bonus, calculated based on 250,000 simulations using the Monte Carlo method.
Expected ROIExpected return on your deposit bonus (%). We run over 250,000 simulations to calculate the expected ROI with precision down to a single percent.
Expected valueExpected net profit from the bonus. We play through bonuses 250,000 times and calculate the average expected value using the Monte Carlo method.
Expected WinningAverage winnings from cleared bonuses. Since not every bonus is successfully cleared for a profit, the expected winnings from fully cleared bonuses are higher than EV. Important note – this metric only accounts for bonuses that have been fully wagered.
rating
Expected value from all welcome bonuses
2 203
NZD
Expected ROI
+6%
Expected Value
20NZ$
Expected Winning
388NZ$
rating
Expected value from all welcome bonuses
2 203
NZD
Shows the expected profit from all welcome bonuses in the casino. We sum up the EV of each bonus, calculated based on 250,000 simulations using the Monte Carlo method.
Expected ROIExpected return on your deposit bonus (%). We run over 250,000 simulations to calculate the expected ROI with precision down to a single percent.
Expected valueExpected net profit from the bonus. We play through bonuses 250,000 times and calculate the average expected value using the Monte Carlo method.
Expected WinningAverage winnings from cleared bonuses. Since not every bonus is successfully cleared for a profit, the expected winnings from fully cleared bonuses are higher than EV. Important note – this metric only accounts for bonuses that have been fully wagered.

rating
Expected value from all welcome bonuses
1 849
NZD
Expected ROI
+30%
Expected Value
53NZ$
Expected Winning
433NZ$

rating
Expected value from all welcome bonuses
1 849
NZD
Shows the expected profit from all welcome bonuses in the casino. We sum up the EV of each bonus, calculated based on 250,000 simulations using the Monte Carlo method.
Expected ROIExpected return on your deposit bonus (%). We run over 250,000 simulations to calculate the expected ROI with precision down to a single percent.
Expected valueExpected net profit from the bonus. We play through bonuses 250,000 times and calculate the average expected value using the Monte Carlo method.
Expected WinningAverage winnings from cleared bonuses. Since not every bonus is successfully cleared for a profit, the expected winnings from fully cleared bonuses are higher than EV. Important note – this metric only accounts for bonuses that have been fully wagered.
rating
Expected value from all welcome bonuses
2 015
NZD
Expected ROI
+1%
Expected Value
4NZ$
Expected Winning
555NZ$
rating
Expected value from all welcome bonuses
2 015
NZD
Shows the expected profit from all welcome bonuses in the casino. We sum up the EV of each bonus, calculated based on 250,000 simulations using the Monte Carlo method.
Expected ROIExpected return on your deposit bonus (%). We run over 250,000 simulations to calculate the expected ROI with precision down to a single percent.
Expected valueExpected net profit from the bonus. We play through bonuses 250,000 times and calculate the average expected value using the Monte Carlo method.
Expected WinningAverage winnings from cleared bonuses. Since not every bonus is successfully cleared for a profit, the expected winnings from fully cleared bonuses are higher than EV. Important note – this metric only accounts for bonuses that have been fully wagered.

rating
Expected value from all welcome bonuses
775
NZD
Expected ROI
+6%
Expected Value
41NZ$
Expected Winning
775NZ$

rating
Expected value from all welcome bonuses
775
NZD
Shows the expected profit from all welcome bonuses in the casino. We sum up the EV of each bonus, calculated based on 250,000 simulations using the Monte Carlo method.
Expected ROIExpected return on your deposit bonus (%). We run over 250,000 simulations to calculate the expected ROI with precision down to a single percent.
Expected valueExpected net profit from the bonus. We play through bonuses 250,000 times and calculate the average expected value using the Monte Carlo method.
Expected WinningAverage winnings from cleared bonuses. Since not every bonus is successfully cleared for a profit, the expected winnings from fully cleared bonuses are higher than EV. Important note – this metric only accounts for bonuses that have been fully wagered.

rating
Expected value from all welcome bonuses
775
NZD
Expected ROI
+6%
Expected Value
41NZ$
Expected Winning
775NZ$

rating
Expected value from all welcome bonuses
775
NZD
Shows the expected profit from all welcome bonuses in the casino. We sum up the EV of each bonus, calculated based on 250,000 simulations using the Monte Carlo method.
Expected ROIExpected return on your deposit bonus (%). We run over 250,000 simulations to calculate the expected ROI with precision down to a single percent.
Expected valueExpected net profit from the bonus. We play through bonuses 250,000 times and calculate the average expected value using the Monte Carlo method.
Expected WinningAverage winnings from cleared bonuses. Since not every bonus is successfully cleared for a profit, the expected winnings from fully cleared bonuses are higher than EV. Important note – this metric only accounts for bonuses that have been fully wagered.

rating
Expected value from all welcome bonuses
1 324
NZD
Expected ROI
+44%
Expected Value
406NZ$
Expected Winning
1 324NZ$

rating
Expected value from all welcome bonuses
1 324
NZD
Shows the expected profit from all welcome bonuses in the casino. We sum up the EV of each bonus, calculated based on 250,000 simulations using the Monte Carlo method.
Expected ROIExpected return on your deposit bonus (%). We run over 250,000 simulations to calculate the expected ROI with precision down to a single percent.
Expected valueExpected net profit from the bonus. We play through bonuses 250,000 times and calculate the average expected value using the Monte Carlo method.
Expected WinningAverage winnings from cleared bonuses. Since not every bonus is successfully cleared for a profit, the expected winnings from fully cleared bonuses are higher than EV. Important note – this metric only accounts for bonuses that have been fully wagered.

rating
Expected value from all welcome bonuses
1 572
NZD
Expected ROI
+8%
Expected Value
31NZ$
Expected Winning
431NZ$

rating
Expected value from all welcome bonuses
1 572
NZD
Shows the expected profit from all welcome bonuses in the casino. We sum up the EV of each bonus, calculated based on 250,000 simulations using the Monte Carlo method.
Expected ROIExpected return on your deposit bonus (%). We run over 250,000 simulations to calculate the expected ROI with precision down to a single percent.
Expected valueExpected net profit from the bonus. We play through bonuses 250,000 times and calculate the average expected value using the Monte Carlo method.
Expected WinningAverage winnings from cleared bonuses. Since not every bonus is successfully cleared for a profit, the expected winnings from fully cleared bonuses are higher than EV. Important note – this metric only accounts for bonuses that have been fully wagered.
rating
Expected value from all welcome bonuses
775
NZD
Expected ROI
+6%
Expected Value
41NZ$
Expected Winning
775NZ$
rating
Expected value from all welcome bonuses
775
NZD
Shows the expected profit from all welcome bonuses in the casino. We sum up the EV of each bonus, calculated based on 250,000 simulations using the Monte Carlo method.
Expected ROIExpected return on your deposit bonus (%). We run over 250,000 simulations to calculate the expected ROI with precision down to a single percent.
Expected valueExpected net profit from the bonus. We play through bonuses 250,000 times and calculate the average expected value using the Monte Carlo method.
Expected WinningAverage winnings from cleared bonuses. Since not every bonus is successfully cleared for a profit, the expected winnings from fully cleared bonuses are higher than EV. Important note – this metric only accounts for bonuses that have been fully wagered.
BEST BONUSES IN NEW ZEALAND
We play through bonuses 100,000 times to calculate the average EV (expected value), showing you the profit you can achieve in the long run. Using the Monte Carlo method.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
Expected profitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
BEST SLOTS IN NEW ZEALAND
We validate the RTP advertised by casinos — the percentage of bets returned to you during gameplay. With insights drawn from over 4 billion spins across 1,000+ slots, we provide data that gives you a real edge when choosing where to play.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
VolatilityIs a measure of risk and payout frequency. Low volatility slots pay out frequently but in smaller amounts, while high volatility slots offer bigger wins but less often.
Bonus FREQIndicates how often a slot triggers bonus features like free spins or bonus rounds. The higher the frequency, the more frequently players can expect extra winnings.
ProfitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
ROIShows how much profit you can earn from playing through a bonus as a percentage of your total bets.
Multiplier FREQIs how often win multipliers appear in a slot. The higher the value, the more frequently payouts are boosted.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
VolatilityIs a measure of risk and payout frequency. Low volatility slots pay out frequently but in smaller amounts, while high volatility slots offer bigger wins but less often.
Bonus FREQIndicates how often a slot triggers bonus features like free spins or bonus rounds. The higher the frequency, the more frequently players can expect extra winnings.
ProfitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
ROIShows how much profit you can earn from playing through a bonus as a percentage of your total bets.
Multiplier FREQIs how often win multipliers appear in a slot. The higher the value, the more frequently payouts are boosted.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
VolatilityIs a measure of risk and payout frequency. Low volatility slots pay out frequently but in smaller amounts, while high volatility slots offer bigger wins but less often.
Bonus FREQIndicates how often a slot triggers bonus features like free spins or bonus rounds. The higher the frequency, the more frequently players can expect extra winnings.
ProfitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
ROIShows how much profit you can earn from playing through a bonus as a percentage of your total bets.
Multiplier FREQIs how often win multipliers appear in a slot. The higher the value, the more frequently payouts are boosted.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
VolatilityIs a measure of risk and payout frequency. Low volatility slots pay out frequently but in smaller amounts, while high volatility slots offer bigger wins but less often.
Bonus FREQIndicates how often a slot triggers bonus features like free spins or bonus rounds. The higher the frequency, the more frequently players can expect extra winnings.
ProfitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
ROIShows how much profit you can earn from playing through a bonus as a percentage of your total bets.
Multiplier FREQIs how often win multipliers appear in a slot. The higher the value, the more frequently payouts are boosted.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
VolatilityIs a measure of risk and payout frequency. Low volatility slots pay out frequently but in smaller amounts, while high volatility slots offer bigger wins but less often.
Bonus FREQIndicates how often a slot triggers bonus features like free spins or bonus rounds. The higher the frequency, the more frequently players can expect extra winnings.
ProfitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
ROIShows how much profit you can earn from playing through a bonus as a percentage of your total bets.
Multiplier FREQIs how often win multipliers appear in a slot. The higher the value, the more frequently payouts are boosted.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
VolatilityIs a measure of risk and payout frequency. Low volatility slots pay out frequently but in smaller amounts, while high volatility slots offer bigger wins but less often.
Bonus FREQIndicates how often a slot triggers bonus features like free spins or bonus rounds. The higher the frequency, the more frequently players can expect extra winnings.
ProfitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
ROIShows how much profit you can earn from playing through a bonus as a percentage of your total bets.
Multiplier FREQIs how often win multipliers appear in a slot. The higher the value, the more frequently payouts are boosted.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
VolatilityIs a measure of risk and payout frequency. Low volatility slots pay out frequently but in smaller amounts, while high volatility slots offer bigger wins but less often.
Bonus FREQIndicates how often a slot triggers bonus features like free spins or bonus rounds. The higher the frequency, the more frequently players can expect extra winnings.
ProfitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
ROIShows how much profit you can earn from playing through a bonus as a percentage of your total bets.
Multiplier FREQIs how often win multipliers appear in a slot. The higher the value, the more frequently payouts are boosted.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
VolatilityIs a measure of risk and payout frequency. Low volatility slots pay out frequently but in smaller amounts, while high volatility slots offer bigger wins but less often.
Bonus FREQIndicates how often a slot triggers bonus features like free spins or bonus rounds. The higher the frequency, the more frequently players can expect extra winnings.
ProfitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
ROIShows how much profit you can earn from playing through a bonus as a percentage of your total bets.
Multiplier FREQIs how often win multipliers appear in a slot. The higher the value, the more frequently payouts are boosted.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
VolatilityIs a measure of risk and payout frequency. Low volatility slots pay out frequently but in smaller amounts, while high volatility slots offer bigger wins but less often.
Bonus FREQIndicates how often a slot triggers bonus features like free spins or bonus rounds. The higher the frequency, the more frequently players can expect extra winnings.
ProfitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
ROIShows how much profit you can earn from playing through a bonus as a percentage of your total bets.
Multiplier FREQIs how often win multipliers appear in a slot. The higher the value, the more frequently payouts are boosted.
The percentage of bets a slot returns to players as winnings. We've played 4 billion spins across 1,000+ slots to bring you accurate, data-backed insights.
VolatilityIs a measure of risk and payout frequency. Low volatility slots pay out frequently but in smaller amounts, while high volatility slots offer bigger wins but less often.
Bonus FREQIndicates how often a slot triggers bonus features like free spins or bonus rounds. The higher the frequency, the more frequently players can expect extra winnings.
ProfitShows how much you will gain from playing through a bonus. A positive value means the bonus will be profitable.
ROIShows how much profit you can earn from playing through a bonus as a percentage of your total bets.
Multiplier FREQIs how often win multipliers appear in a slot. The higher the value, the more frequently payouts are boosted.
FAQ
What does a 98% casino rating mean and how is it calculated?
How does 101RTP calculate RTP, EV, and other metrics?
Can you beat the casino using 101RTP data?
How often are slot and casino data updated?
Can a casino change a slot's RTP after you place a bet?
Is it legal to use this for casino play?
Why is 100RTP free?
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