Espresso Sloth slot: RTP and max win
Espresso Sloth is a high-volatility slot by Mellow Mango Games on Stake Engine, released 17 Oct 2026. Its base game returns 96.70%, above the median Engine slot (96.02%) and higher than 86% of them. The top payout is 50,000× the bet, bigger than 97% of Engine slots; from a base spin it lands about once every 9,999,985 spins. It has 5 bonus buys priced at 100× to 2,000× the bet; the best returns 96.70%, so each buy costs 3.30× the bet on average over the long run. It is the No. 2572 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 v2. "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× | 96.70% | 50,000× | 1 in 9,999,985 | 1 in 9.04 | 1 in 18 | 0.03× base | Simulate |
| Bonus Chance | Boosted spin | 3.00× | 96.70% | 50,000× | 1 in 3,999,998 | 1 in 8.93 | 1 in 21 | 0.10× base | Simulate |
| Harvest Bonus | Bonus buy | 100× | 96.70% | 50,000× | 1 in 250,000 | every round | 1 in 5.15 | 3.30× base | Simulate |
| Roast Bonus | Bonus buy | 300× | 96.70% | 50,000× | 1 in 60,000 | every round | 1 in 5.26 | 9.90× base | Simulate |
| Caffeine Rush | Bonus buy | 500× | 96.70% | 50,000× | 1 in 250 | 1 in 4.72 | 1 in 17 | 16.50× base | Simulate |
| Random Bonus | Bonus buy | 500× | 96.70% | 50,000× | 1 in 400 | 1 in 2.50 | 1 in 11 | 16.50× base | Simulate |
| Max Or Nothing | Bonus buy | 2,000× | 96.70% | 50,000× | 1 in 26 | 1 in 26 | 1 in 26 | 66.00× base | Simulate |
Work out the cost of Espresso Sloth 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 | |
|---|---|---|
| v2 | 96.700% | Active |
Frequently asked
What is the RTP of Espresso Sloth?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 2. All 5 of its bonus buys return 96.70%.
What is the max win in Espresso Sloth and how likely is it?
The top payout is 50,000× the base bet. On a base spin it lands 1 in 9,999,985 spins. In the Harvest Bonus buy (100×) 50,000× lands 1 in 250,000 buys.
Does Espresso Sloth have a bonus buy, and what does it cost?
Yes, 5 buy modes. Harvest Bonus: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Roast Bonus: 300× the base bet, 96.70% RTP, an expected cost of 9.90× the base bet per buy. Caffeine Rush: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy. Random Bonus: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy. Max Or Nothing: 2,000× the base bet, 96.70% RTP, an expected cost of 66.00× the base bet per buy.
Is Espresso Sloth high or low volatility?
High. Its base-mode standard deviation is 37.9× 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.
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