Sector 51 slot: RTP and max win
Sector 51 is a medium-volatility slot by Kek Studios on Stake Engine, released 17 Jul 2026. Its base game returns 95.99%, below the median Engine slot (96.02%). The top payout is 15,000× the bet, bigger than 50% of Engine slots; from a base spin it lands about once every 19,749,922 spins. It has 2 bonus buys priced at 75× to 200× the bet; the best returns 96.00%, so each buy costs 8.00× the bet on average over the long run. It is the No. 5799 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 v34. "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× | 95.99% | 15,000× | 1 in 19,749,922 | 1 in 2.39 | 1 in 17 | 0.04× base | Simulate |
| Enhanced Base | Boosted spin | 2.00× | 95.99% | 15,000× | 1 in 19,749,922 | 1 in 1.52 | 1 in 12 | 0.08× base | Simulate |
| Drop Zone Base | Boosted spin | 5.00× | 95.99% | 15,000× | 1 in 19,749,922 | 1 in 1.52 | 1 in 7.30 | 0.20× base | Simulate |
| Specimen Bonus | Bonus buy | 75× | 96.00% | 15,000× | 1 in 246,874 | – | 1 in 11 | 3.00× base | Simulate |
| Alien Breach | Bonus buy | 200× | 96.00% | 15,000× | 1 in 82,983 | every round | 1 in 3.50 | 8.00× 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 | |
|---|---|---|
| v34 | 95.994% | Active |
Frequently asked
What is the RTP of Sector 51?
Base spins return 95.99% of the amount wagered over the long run, from the published outcome table for version 34. All 2 of its bonus buys return 96.00%.
What is the max win in Sector 51 and how likely is it?
The top payout is 15,000× the base bet. On a base spin it lands 1 in 19,749,922 spins. In the Alien Breach buy (200×) 15,000× lands 1 in 82,983 buys.
Does Sector 51 have a bonus buy, and what does it cost?
Yes, 2 buy modes. Specimen Bonus: 75× the base bet, 96.00% RTP, an expected cost of 3.00× the base bet per buy. Alien Breach: 200× the base bet, 96.00% RTP, an expected cost of 8.00× the base bet per buy.
Is Sector 51 high or low volatility?
Medium. Its base-mode standard deviation is 15.7× 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.
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