Tunnel Runners slot: RTP and max win
Tunnel Runners is a low-volatility slot by Creative Synergy on Stake Engine, released 19 Jun 2026. Its base game returns 97.00%, above the median Engine slot (96.02%) and higher than 97% of them. The top payout is 375× the bet. It has 1 bonus buy priced at 25× the bet; the best returns 97.00%, so each buy costs 0.75× the bet on average over the long run. It is the No. 6675 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 v6. "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× | 97.00% | 75× | 1 in 100,000 | 1 in 1.33 | 1 in 3.08 | 0.03× base | Simulate |
| Turbo | Boosted spin | 10× | 97.01% | 200× | 1 in 20,015 | 1 in 1.67 | 1 in 5.27 | 0.30× base | Simulate |
| Hyper | Bonus buy | 25× | 97.00% | 375× | 1 in 9,999 | – | 1 in 3.43 | 0.75× base | Simulate |
Work out the cost of Tunnel Runners 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 | |
|---|---|---|
| v6 | 96.999% | Active |
Frequently asked
What is the RTP of Tunnel Runners?
Base spins return 97.00% of the amount wagered over the long run, from the published outcome table for version 6. Its bonus buy returns 97.00%.
What is the max win in Tunnel Runners and how likely is it?
The top payout is 375× the base bet. On a base spin the top payout of 75× lands 1 in 100,000 spins. In the Hyper buy (25×) 375× lands 1 in 9,999 buys.
Does Tunnel Runners have a bonus buy, and what does it cost?
Yes, 1 buy mode. Hyper: 25× the base bet, 97.00% RTP, an expected cost of 0.75× the base bet per buy.
Is Tunnel Runners high or low volatility?
Low. Its base-mode standard deviation is 1.5× the bet, which puts it in the lowest 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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