Fat Thor slot: RTP and max win
Fat Thor is a medium-volatility slot by Spinner Labs on Stake Engine, released 2 May 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 50,000× the bet, bigger than 97% of Engine slots; from a base spin it lands about once every 5,000,002 spins. It has 3 bonus buys priced at 50× to 500× the bet; the best returns 96.00%, so each buy costs 2.00× the bet on average over the long run. It is the No. 2356 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 v72. "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 | |
|---|---|---|---|---|---|---|---|---|---|
| Base | Base spin | 1.00× | 96.00% | 50,000× | 1 in 5,000,002 | 1 in 3.45 | 1 in 12 | 0.04× base | Simulate |
| Ante | Boosted spin | 2.00× | 96.00% | 50,000× | 1 in 2,500,000 | 1 in 3.42 | 1 in 39 | 0.08× base | Simulate |
| Extra | Bonus buy | 50× | 96.00% | 50,000× | 1 in 100,000 | 1 in 1.85 | 1 in 58 | 2.00× base | Simulate |
| Bonus | Bonus buy | 200× | 96.00% | 50,000× | 1 in 5,000 | every round | 1 in 15 | 8.00× base | Simulate |
| Super | Bonus buy | 500× | 96.00% | 50,000× | 1 in 2,000 | – | 1 in 32 | 20.00× base | Simulate |
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 | |
|---|---|---|
| v72 | 96.000% | Active |
Frequently asked
What is the RTP of Fat Thor?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 72. All 3 of its bonus buys return 96.00%.
What is the max win in Fat Thor and how likely is it?
The top payout is 50,000× the base bet. On a base spin it lands 1 in 5,000,002 spins. In the Extra buy (50×) 50,000× lands 1 in 100,000 buys.
Does Fat Thor have a bonus buy, and what does it cost?
Yes, 3 buy modes. Extra: 50× the base bet, 96.00% RTP, an expected cost of 2.00× the base bet per buy. Bonus: 200× the base bet, 96.00% RTP, an expected cost of 8.00× the base bet per buy. Super: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy.
Is Fat Thor high or low volatility?
Medium. Its base-mode standard deviation is 25.0× the bet, which puts it in the middle 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.
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