
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.
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.

rating
Expected value
from all welcome bonuses
749
NZ$
Deposit Bonus
Expected Winning
749 NZ$
Expected Wagering
10.8 %
Expected Value
204 NZ$
rating
Expected value
from all welcome bonuses
3 038
NZ$
Deposit Bonus
Expected Winning
789 NZ$
Expected Wagering
18.3 %
Expected Value
177 NZ$
rating
Expected value
from all welcome bonuses
3 038
NZ$
Deposit Bonus
Expected Winning
789 NZ$
Expected Wagering
18.3 %
Expected Value
177 NZ$

rating
Expected value
from all welcome bonuses
671
€
Deposit Bonus
Expected Winning
671 €
Expected Wagering
9.9 %
Expected Value
171 €

rating
Expected value
from all welcome bonuses
2 644
NZ$
Deposit Bonus
Expected Winning
648 NZ$
Expected Wagering
31.1 %
Expected Value
148 NZ$

rating
Expected value
from all welcome bonuses
2 644
NZ$
Deposit Bonus
Expected Winning
571 NZ$
Expected Wagering
29.4 %
Expected Value
136 NZ$

rating
Expected value
from all welcome bonuses
633
$
Deposit Bonus
Expected Winning
633 $
Expected Wagering
8.6 %
Expected Value
133 $
rating
Expected value
from all welcome bonuses
3 038
NZ$
Deposit Bonus
Expected Winning
947 NZ$
Expected Wagering
21.7 %
Expected Value
131 NZ$
rating
Expected value
from all welcome bonuses
1 951
NZ$
Deposit Bonus
Expected Winning
618 NZ$
Expected Wagering
9.1 %
Expected Value
118 NZ$

rating
Expected value
from all welcome bonuses
2 644
NZ$
Deposit Bonus
Expected Winning
757 NZ$
Expected Wagering
36.4 %
Expected Value
104 NZ$

rating
Expected value
from all welcome bonuses
2 644
$
Deposit Bonus
Expected Winning
181 $
Expected Wagering
13.9 %
Expected Value
85 $
rating
Expected value
from all welcome bonuses
1 951
NZ$
Deposit Bonus
Expected Winning
562 NZ$
Expected Wagering
10.3 %
Expected Value
62 NZ$
rating
Expected value
from all welcome bonuses
1 951
NZ$
Deposit Bonus
Expected Winning
562 NZ$
Expected Wagering
10.3 %
Expected Value
62 NZ$

rating
Expected value
from all welcome bonuses
2 644
NZ$
Deposit Bonus
Expected Winning
487 NZ$
Expected Wagering
34.8 %
Expected Value
51 NZ$
rating
Expected value
from all welcome bonuses
3 038
NZ$
Deposit Bonus
Expected Winning
512 NZ$
Expected Wagering
25.5 %
Expected Value
12 NZ$
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 total bets that a slot machine returns to players as winnings. We've analysed 4 billion spins across over 1,000 slots to provide accurate, data-backed insights.
MAXWINThe maximum multiplier that can be won in a slot refers to the highest possible increase to your original bet during the game.
MULTIPLIER FREQIndicates how often win multipliers appear in a slot. Higher frequency means payouts are boosted more often.
VOLATILITYMeasures the risk level and payout frequency. Low volatility slots offer frequent, smaller payouts, while high volatility slots provide larger wins, but less often.
Data is calculated based on a 100 EUR deposit with a 100% bonus. Bet 5, wager х50.
The average amount a player can expect to win or lose per bet over time, based on the game's RTP and volatility.
WAGERING PROBABILITYThe percentage of profit earned from a bonus relative to the total amount wagered.
The percentage of total bets that a slot machine returns to players as winnings. We've analysed 4 billion spins across over 1,000 slots to provide accurate, data-backed insights.
MAXWINThe maximum multiplier that can be won in a slot refers to the highest possible increase to your original bet during the game.
MULTIPLIER FREQIndicates how often win multipliers appear in a slot. Higher frequency means payouts are boosted more often.
VOLATILITYMeasures the risk level and payout frequency. Low volatility slots offer frequent, smaller payouts, while high volatility slots provide larger wins, but less often.
Data is calculated based on a 100 EUR deposit with a 100% bonus. Bet 5, wager х50.
The average amount a player can expect to win or lose per bet over time, based on the game's RTP and volatility.
WAGERING PROBABILITYThe percentage of profit earned from a bonus relative to the total amount wagered.
The percentage of total bets that a slot machine returns to players as winnings. We've analysed 4 billion spins across over 1,000 slots to provide accurate, data-backed insights.
MAXWINThe maximum multiplier that can be won in a slot refers to the highest possible increase to your original bet during the game.
MULTIPLIER FREQIndicates how often win multipliers appear in a slot. Higher frequency means payouts are boosted more often.
VOLATILITYMeasures the risk level and payout frequency. Low volatility slots offer frequent, smaller payouts, while high volatility slots provide larger wins, but less often.
Data is calculated based on a 100 EUR deposit with a 100% bonus. Bet 5, wager х50.
The average amount a player can expect to win or lose per bet over time, based on the game's RTP and volatility.
WAGERING PROBABILITYThe percentage of profit earned from a bonus relative to the total amount wagered.
The percentage of total bets that a slot machine returns to players as winnings. We've analysed 4 billion spins across over 1,000 slots to provide accurate, data-backed insights.
MAXWINThe maximum multiplier that can be won in a slot refers to the highest possible increase to your original bet during the game.
MULTIPLIER FREQIndicates how often win multipliers appear in a slot. Higher frequency means payouts are boosted more often.
VOLATILITYMeasures the risk level and payout frequency. Low volatility slots offer frequent, smaller payouts, while high volatility slots provide larger wins, but less often.
Data is calculated based on a 100 EUR deposit with a 100% bonus. Bet 5, wager х50.
The average amount a player can expect to win or lose per bet over time, based on the game's RTP and volatility.
WAGERING PROBABILITYThe percentage of profit earned from a bonus relative to the total amount wagered.
The percentage of total bets that a slot machine returns to players as winnings. We've analysed 4 billion spins across over 1,000 slots to provide accurate, data-backed insights.
MAXWINThe maximum multiplier that can be won in a slot refers to the highest possible increase to your original bet during the game.
MULTIPLIER FREQIndicates how often win multipliers appear in a slot. Higher frequency means payouts are boosted more often.
VOLATILITYMeasures the risk level and payout frequency. Low volatility slots offer frequent, smaller payouts, while high volatility slots provide larger wins, but less often.
Data is calculated based on a 100 EUR deposit with a 100% bonus. Bet 5, wager х50.
The average amount a player can expect to win or lose per bet over time, based on the game's RTP and volatility.
WAGERING PROBABILITYThe percentage of profit earned from a bonus relative to the total amount wagered.
The percentage of total bets that a slot machine returns to players as winnings. We've analysed 4 billion spins across over 1,000 slots to provide accurate, data-backed insights.
MAXWINThe maximum multiplier that can be won in a slot refers to the highest possible increase to your original bet during the game.
MULTIPLIER FREQIndicates how often win multipliers appear in a slot. Higher frequency means payouts are boosted more often.
VOLATILITYMeasures the risk level and payout frequency. Low volatility slots offer frequent, smaller payouts, while high volatility slots provide larger wins, but less often.
Data is calculated based on a 100 EUR deposit with a 100% bonus. Bet 5, wager х50.
The average amount a player can expect to win or lose per bet over time, based on the game's RTP and volatility.
WAGERING PROBABILITYThe percentage of profit earned from a bonus relative to the total amount wagered.
The percentage of total bets that a slot machine returns to players as winnings. We've analysed 4 billion spins across over 1,000 slots to provide accurate, data-backed insights.
MAXWINThe maximum multiplier that can be won in a slot refers to the highest possible increase to your original bet during the game.
MULTIPLIER FREQIndicates how often win multipliers appear in a slot. Higher frequency means payouts are boosted more often.
VOLATILITYMeasures the risk level and payout frequency. Low volatility slots offer frequent, smaller payouts, while high volatility slots provide larger wins, but less often.
Data is calculated based on a 100 EUR deposit with a 100% bonus. Bet 5, wager х50.
The average amount a player can expect to win or lose per bet over time, based on the game's RTP and volatility.
WAGERING PROBABILITYThe percentage of profit earned from a bonus relative to the total amount wagered.
The percentage of total bets that a slot machine returns to players as winnings. We've analysed 4 billion spins across over 1,000 slots to provide accurate, data-backed insights.
MAXWINThe maximum multiplier that can be won in a slot refers to the highest possible increase to your original bet during the game.
MULTIPLIER FREQIndicates how often win multipliers appear in a slot. Higher frequency means payouts are boosted more often.
VOLATILITYMeasures the risk level and payout frequency. Low volatility slots offer frequent, smaller payouts, while high volatility slots provide larger wins, but less often.
Data is calculated based on a 100 EUR deposit with a 100% bonus. Bet 5, wager х50.
The average amount a player can expect to win or lose per bet over time, based on the game's RTP and volatility.
WAGERING PROBABILITYThe percentage of profit earned from a bonus relative to the total amount wagered.
The percentage of total bets that a slot machine returns to players as winnings. We've analysed 4 billion spins across over 1,000 slots to provide accurate, data-backed insights.
MAXWINThe maximum multiplier that can be won in a slot refers to the highest possible increase to your original bet during the game.
MULTIPLIER FREQIndicates how often win multipliers appear in a slot. Higher frequency means payouts are boosted more often.
VOLATILITYMeasures the risk level and payout frequency. Low volatility slots offer frequent, smaller payouts, while high volatility slots provide larger wins, but less often.
Data is calculated based on a 100 EUR deposit with a 100% bonus. Bet 5, wager х50.
The average amount a player can expect to win or lose per bet over time, based on the game's RTP and volatility.
WAGERING PROBABILITYThe percentage of profit earned from a bonus relative to the total amount wagered.
The percentage of total bets that a slot machine returns to players as winnings. We've analysed 4 billion spins across over 1,000 slots to provide accurate, data-backed insights.
MAXWINThe maximum multiplier that can be won in a slot refers to the highest possible increase to your original bet during the game.
MULTIPLIER FREQIndicates how often win multipliers appear in a slot. Higher frequency means payouts are boosted more often.
VOLATILITYMeasures the risk level and payout frequency. Low volatility slots offer frequent, smaller payouts, while high volatility slots provide larger wins, but less often.
Data is calculated based on a 100 EUR deposit with a 100% bonus. Bet 5, wager х50.
The average amount a player can expect to win or lose per bet over time, based on the game's RTP and volatility.
WAGERING PROBABILITYThe percentage of profit earned from a bonus relative to the total amount wagered.
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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