Coin Smash slot: RTP and max win
Coin Smash is a high-volatility slot by Insert A Penny on Stake Engine, released 6 Mar 2026. The top payout is 50,000× the bet. It is the No. 2174 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 v3. "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 | |
|---|---|---|---|---|---|---|---|---|---|
| Zone 1 Mode 1 | Base spin | 1.00× | 98.00% | 4.25× | 1 in 20 | 1 in 1.11 | 1 in 2.22 | 0.02× base | Simulate |
| Zone 1 Mode 2 | Base spin | 1.00× | 98.00% | 4.75× | 1 in 20 | 1 in 1.11 | 1 in 2.35 | 0.02× base | Simulate |
| Zone 1 Mode 3 | Base spin | 1.00× | 98.00% | 5.25× | 1 in 20 | 1 in 1.11 | 1 in 2.50 | 0.02× base | Simulate |
| Zone 1 Mode 4 | Base spin | 1.00× | 98.00% | 5.75× | 1 in 20 | 1 in 1.11 | 1 in 2.67 | 0.02× base | Simulate |
| Zone 2 Mode 1 | Base spin | 1.00× | 98.00% | 20× | 1 in 100 | 1 in 1.54 | 1 in 3.33 | 0.02× base | Simulate |
| Zone 2 Mode 2 | Base spin | 1.00× | 98.00% | 31× | 1 in 100 | 1 in 1.60 | 1 in 4.00 | 0.02× base | Simulate |
| Zone 2 Mode 3 | Base spin | 1.00× | 98.00% | 42× | 1 in 100 | 1 in 1.67 | 1 in 5.00 | 0.02× base | Simulate |
| Zone 2 Mode 4 | Base spin | 1.00× | 98.00% | 52× | 1 in 100 | 1 in 1.74 | 1 in 6.67 | 0.02× base | Simulate |
| Zone 3 Mode 1 | Base spin | 1.00× | 98.00% | 233× | 1 in 500 | 1 in 1.43 | 1 in 10 | 0.02× base | Simulate |
| Zone 3 Mode 2 | Base spin | 1.00× | 98.00% | 305× | 1 in 500 | 1 in 1.44 | 1 in 12 | 0.02× base | Simulate |
| Zone 3 Mode 3 | Base spin | 1.00× | 98.00% | 367× | 1 in 500 | 1 in 1.48 | 1 in 25 | 0.02× base | Simulate |
| Zone 3 Mode 4 | Base spin | 1.00× | 98.00% | 410× | 1 in 500 | 1 in 1.64 | 1 in 50 | 0.02× base | Simulate |
| Zone 4 Mode 1 | Base spin | 1.00× | 98.00% | 1,020× | 1 in 10,000 | 1 in 1.67 | 1 in 100 | 0.02× base | Simulate |
| Zone 4 Mode 2 | Base spin | 1.00× | 98.00% | 2,045× | 1 in 10,000 | 1 in 1.67 | 1 in 133 | 0.02× base | Simulate |
| Zone 4 Mode 3 | Base spin | 1.00× | 98.00% | 4,150× | 1 in 10,000 | 1 in 1.67 | 1 in 200 | 0.02× base | Simulate |
| Zone 4 Mode 4 | Base spin | 1.00× | 98.00% | 6,000× | 1 in 10,000 | 1 in 1.67 | 1 in 400 | 0.02× base | Simulate |
| Zone 5 Mode 1 | Base spin | 1.00× | 98.00% | 5,000× | 1 in 50,000 | 1 in 1.61 | 1 in 20 | 0.02× base | Simulate |
| Zone 5 Mode 2 | Base spin | 1.00× | 98.00% | 10,000× | 1 in 50,000 | 1 in 1.64 | 1 in 40 | 0.02× base | Simulate |
| Zone 5 Mode 3 | Base spin | 1.00× | 98.00% | 15,000× | 1 in 50,000 | 1 in 1.65 | 1 in 67 | 0.02× base | Simulate |
| Zone 5 Mode 4 | Base spin | 1.00× | 98.00% | 20,000× | 1 in 50,000 | 1 in 1.65 | 1 in 100 | 0.02× base | Simulate |
| Zone 6 Mode 1 | Base spin | 1.00× | 98.00% | 50,000× | 1 in 200,000 | 1 in 1.65 | 1 in 9.66 | 0.02× 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 | |
|---|---|---|
| v3 | 98.000% | Active |
Frequently asked
What is the RTP of Coin Smash?
Base spins return 98.00% of the amount wagered over the long run, from the published outcome table for version 3. All 21 modes return 98.00%.
What is the max win in Coin Smash and how likely is it?
The top payout is 50,000× the base bet. On a base spin the top payout of 4.25× lands 1 in 20 spins.
Does Coin Smash have a bonus buy?
No. None of its published modes costs 20× the base bet or more.
Is Coin Smash high or low volatility?
High. Its base-mode standard deviation is 67.6× 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.