Iron Junction slot: RTP and max win
Iron Junction is a medium-volatility slot by Yung Entertainment on Stake Engine, released 26 Oct 2026. Its base game returns 96.20%, above the median Engine slot (96.02%) and higher than 57% of them. The top payout is 25,000× the bet, bigger than 81% of Engine slots; from a base spin it lands about once every 9,000,000 spins. It has 4 bonus buys priced at 25× to 600× the bet; the best returns 96.20%, so each buy costs 0.95× the bet on average over the long run. It is the No. 4184 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 v1. "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× | 96.20% | 25,000× | 1 in 9,000,000 | 1 in 3.28 | 1 in 7.63 | 0.04× base | Simulate |
| Peak Hours | Boosted spin | 2.00× | 96.20% | 23,210× | 1 in 9,000,000 | 1 in 3.22 | 1 in 15 | 0.08× base | Simulate |
| Express Spins | Bonus buy | 25× | 96.20% | 19,885× | 1 in 9,000,000 | – | 1 in 3.93 | 0.95× base | Simulate |
| Local Line | Bonus buy | 100× | 96.20% | 13,746× | 1 in 9,000,000 | every round | 1 in 3.65 | 3.80× base | Simulate |
| Express Line | Bonus buy | 300× | 96.20% | 19,059× | 1 in 9,000,000 | every round | 1 in 3.14 | 11.40× base | Simulate |
| Golden Line | Bonus buy | 600× | 96.20% | 25,000× | 1 in 33,223 | every round | 1 in 3.33 | 22.80× base | Simulate |
Work out the cost of Iron Junction 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 | |
|---|---|---|
| v1 | 96.200% | Active |
Frequently asked
What is the RTP of Iron Junction?
Base spins return 96.20% of the amount wagered over the long run, from the published outcome table for version 1. All 4 of its bonus buys return 96.20%.
What is the max win in Iron Junction and how likely is it?
The top payout is 25,000× the base bet. On a base spin it lands 1 in 9,000,000 spins. In the Express Spins buy (25×) 19,885× lands 1 in 9,000,000 buys.
Does Iron Junction have a bonus buy, and what does it cost?
Yes, 4 buy modes. Express Spins: 25× the base bet, 96.20% RTP, an expected cost of 0.95× the base bet per buy. Local Line: 100× the base bet, 96.20% RTP, an expected cost of 3.80× the base bet per buy. Express Line: 300× the base bet, 96.20% RTP, an expected cost of 11.40× the base bet per buy. Golden Line: 600× the base bet, 96.20% RTP, an expected cost of 22.80× the base bet per buy.
Is Iron Junction high or low volatility?
Medium. Its base-mode standard deviation is 17.7× 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.
Slots with similar math to Iron Junction
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
Grave FamilyCataclysm Gaming RTP96.20%Max win25,000×Volatility
Saucer SeasonEndpoint Studios RTP96.20%Max win25,000×Volatility
Phantom EstateFarseer Studios RTP96.20%Max win25,000×Volatility
Block BurstAvents RTP96.25%Max win25,000×Volatility
Earth 1340Cataclysm Gaming RTP96.20%Max win25,000×Volatility
Neon Kaiten Ghost TownScanline Studios RTP96.20%Max win25,000×Volatility