Colosseum Riches slot: RTP and max win
Colosseum Riches is a high-volatility slot by Alpha Male Gaming on Stake Engine, released 21 Jul 2026. Its base game returns 96.65%, above the median Engine slot (96.02%) and higher than 84% of them. The top payout is 10,000× the bet; from a base spin it lands about once every 676,362 spins. It has 5 bonus buys priced at 25× to 600× the bet; the best returns 96.65%, so each buy costs 0.84× the bet on average over the long run. It is the No. 3963 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 v17. "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× | 96.65% | 10,000× | 1 in 676,362 | 1 in 3.08 | 1 in 18 | 0.03× base | Simulate |
| Bonus Booster | Boosted spin | 2.00× | 96.65% | 10,000× | 1 in 301,171 | 1 in 2.35 | 1 in 9.85 | 0.07× base | Simulate |
| Feature Spin | Bonus buy | 25× | 96.65% | 10,000× | 1 in 49,999 | 1 in 2.04 | 1 in 18 | 0.84× base | Simulate |
| Bonus | Bonus buy | 100× | 96.65% | 10,000× | 1 in 22,817 | 1 in 1.10 | 1 in 5.78 | 3.35× base | Simulate |
| Super Feature Spin | Bonus buy | 100× | 96.65% | 10,000× | 1 in 25,287 | 1 in 2.00 | 1 in 9.92 | 3.35× base | Simulate |
| Super Bonus | Bonus buy | 500× | 96.65% | 10,000× | 1 in 2,982 | 1 in 1.07 | 1 in 4.40 | 16.75× base | Simulate |
| Mystery Bonus | Bonus buy | 600× | 96.65% | 10,000× | 1 in 915 | 1 in 1.06 | 1 in 4.52 | 20.10× base | Simulate |
Work out the cost of Colosseum Riches 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 | |
|---|---|---|
| v17 | 96.650% | Active |
Frequently asked
What is the RTP of Colosseum Riches?
Base spins return 96.65% of the amount wagered over the long run, from the published outcome table for version 17. All 5 of its bonus buys return 96.65%.
What is the max win in Colosseum Riches and how likely is it?
The top payout is 10,000× the base bet. On a base spin it lands 1 in 676,362 spins. In the Feature Spin buy (25×) 10,000× lands 1 in 49,999 buys.
Does Colosseum Riches have a bonus buy, and what does it cost?
Yes, 5 buy modes. Feature Spin: 25× the base bet, 96.65% RTP, an expected cost of 0.84× the base bet per buy. Bonus: 100× the base bet, 96.65% RTP, an expected cost of 3.35× the base bet per buy. Super Feature Spin: 100× the base bet, 96.65% RTP, an expected cost of 3.35× the base bet per buy. Super Bonus: 500× the base bet, 96.65% RTP, an expected cost of 16.75× the base bet per buy. Mystery Bonus: 600× the base bet, 96.65% RTP, an expected cost of 20.10× the base bet per buy.
Is Colosseum Riches high or low volatility?
High. Its base-mode standard deviation is 40.8× 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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