THREE MASKS slot: RTP and max win
THREE MASKS is a high-volatility slot by 0ddspin on Stake Engine, released 29 Oct 2026. The top payout is 50,000× the bet; from a base spin it lands about once every 6,250,003 spins. It has 9 bonus buys priced at 55× to 555× the bet; the best returns 96.50%, so each buy costs 1.93× the bet on average over the long run. It is the No. 3330 most played Engine slot over the last 30 days.
Every mode, side by side
Costs are multiples of the base bet. Odds come from the published outcome table for v1. "Returns the cost" counts rounds that pay back at least what the mode cost. Expected cost is cost × (1 − RTP): the average amount lost per round over the long run.
| Mode | Type | Cost | RTP | Max win | Max win odds | Pays anything | Returns the cost | Expected cost per round | |
|---|---|---|---|---|---|---|---|---|---|
| Magpie | Base spin | 1.00× | 96.50% | 50,000× | 1 in 6,250,003 | 1 in 2.77 | 1 in 8.98 | 0.04× base | Simulate |
| Ox | Base spin | 1.00× | 96.50% | 50,000× | 1 in 8,333,339 | 1 in 2.37 | 1 in 9.85 | 0.04× base | Simulate |
| Tiger | Base spin | 1.00× | 96.50% | 50,000× | 1 in 3,846,154 | 1 in 3.27 | 1 in 10 | 0.04× base | Simulate |
| Magpie Wanted | Boosted spin | 2.00× | 96.50% | 50,000× | 1 in 2,500,000 | 1 in 2.71 | 1 in 15 | 0.07× base | Simulate |
| Ox Wanted | Boosted spin | 2.00× | 96.50% | 50,000× | 1 in 3,571,429 | 1 in 2.32 | 1 in 16 | 0.07× base | Simulate |
| Tiger Wanted | Boosted spin | 2.00× | 96.50% | 50,000× | 1 in 1,562,500 | 1 in 3.21 | 1 in 17 | 0.07× base | Simulate |
| Ox Sealspin | Bonus buy | 55× | 96.50% | 50,000× | 1 in 909,091 | – | 1 in 3.61 | 1.93× base | Simulate |
| Magpie Sealspin | Bonus buy | 65× | 96.50% | 50,000× | 1 in 769,231 | – | 1 in 3.13 | 2.28× base | Simulate |
| Tiger Sealspin | Bonus buy | 70× | 96.50% | 50,000× | 1 in 714,286 | – | 1 in 5.58 | 2.45× base | Simulate |
| Ox Nightraid | Bonus buy | 85× | 96.50% | 50,000× | 1 in 588,235 | – | 1 in 2.50 | 2.98× base | Simulate |
| Magpie Nightraid | Bonus buy | 110× | 96.50% | 50,000× | 1 in 454,545 | – | 1 in 3.75 | 3.85× base | Simulate |
| Tiger Nightraid | Bonus buy | 165× | 96.50% | 50,000× | 1 in 303,030 | – | 1 in 3.68 | 5.78× base | Simulate |
| Ox Treasury | Bonus buy | 265× | 96.50% | 50,000× | 1 in 94,340 | – | 1 in 3.48 | 9.28× base | Simulate |
| Magpie Treasury | Bonus buy | 325× | 96.50% | 50,000× | 1 in 76,923 | – | 1 in 2.81 | 11.38× base | Simulate |
| Tiger Treasury | Bonus buy | 555× | 96.50% | 50,000× | 1 in 45,045 | – | 1 in 2.58 | 19.43× base | Simulate |
Work out the cost of THREE MASKS bonus buys at your bet size
Version history
Base-mode RTP per published math version. Older versions stay public in the fairness API, so changes can be checked.
| Version | Base RTP | |
|---|---|---|
| v1 | 96.500% | Active |
Frequently asked
What is the RTP of THREE MASKS?
Base spins return 96.50% of the amount wagered over the long run, from the published outcome table for version 1. All 9 of its bonus buys return 96.50%.
What is the max win in THREE MASKS and how likely is it?
The top payout is 50,000× the base bet. On a base spin it lands 1 in 6,250,003 spins. In the Ox Sealspin buy (55×) 50,000× lands 1 in 909,091 buys.
Does THREE MASKS have a bonus buy, and what does it cost?
Yes, 9 buy modes. Ox Sealspin: 55× the base bet, 96.50% RTP, an expected cost of 1.93× the base bet per buy. Magpie Sealspin: 65× the base bet, 96.50% RTP, an expected cost of 2.28× the base bet per buy. Tiger Sealspin: 70× the base bet, 96.50% RTP, an expected cost of 2.45× the base bet per buy. Ox Nightraid: 85× the base bet, 96.50% RTP, an expected cost of 2.98× the base bet per buy. Magpie Nightraid: 110× the base bet, 96.50% RTP, an expected cost of 3.85× the base bet per buy. Tiger Nightraid: 165× the base bet, 96.50% RTP, an expected cost of 5.78× the base bet per buy. Ox Treasury: 265× the base bet, 96.50% RTP, an expected cost of 9.28× the base bet per buy. Magpie Treasury: 325× the base bet, 96.50% RTP, an expected cost of 11.38× the base bet per buy. Tiger Treasury: 555× the base bet, 96.50% RTP, an expected cost of 19.43× the base bet per buy.
Is THREE MASKS high or low volatility?
High. Its base-mode standard deviation is 46.5× the bet, which puts it in the highest third of Engine games. What volatility means.
Can I check that a result was fair?
Yes. Engine games use provably fair seeds. Once your server seed is revealed you can replay any round against the published outcome table. See how to verify a result.