Code Defib slot: RTP and max win
Code Defib is a high-volatility slot by Vexa Studios on Stake Engine, released 22 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 15,000× the bet, bigger than 50% of Engine slots; from a base spin it lands about once every 3,000,001 spins. It has 4 bonus buys priced at 50× to 300× the bet; the best returns 96.20%, so each buy costs 1.90× the bet on average over the long run. It is the No. 1269 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% | 15,000× | 1 in 3,000,001 | 1 in 3.63 | 1 in 33 | 0.04× base | Simulate |
| Adrenaline | Boosted spin | 2.00× | 96.20% | 15,000× | 1 in 1,363,636 | 1 in 3.56 | 1 in 45 | 0.08× base | Simulate |
| Shock Therapy | Bonus buy | 50× | 96.20% | 15,000× | 1 in 100,000 | 1 in 1.76 | 1 in 9.33 | 1.90× base | Simulate |
| Bonus Garde | Bonus buy | 100× | 96.20% | 15,000× | 1 in 300,000 | – | 1 in 9.05 | 3.80× base | Simulate |
| Bonus Mystery | Bonus buy | 250× | 96.20% | 15,000× | 1 in 44,095 | – | 1 in 6.42 | 9.50× base | Simulate |
| Bonus Urgence | Bonus buy | 300× | 96.20% | 15,000× | 1 in 50,000 | – | 1 in 9.19 | 11.40× 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 | |
|---|---|---|
| v1 | 96.200% | Active |
Frequently asked
What is the RTP of Code Defib?
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 Code Defib and how likely is it?
The top payout is 15,000× the base bet. On a base spin it lands 1 in 3,000,001 spins. In the Shock Therapy buy (50×) 15,000× lands 1 in 100,000 buys.
Does Code Defib have a bonus buy, and what does it cost?
Yes, 4 buy modes. Shock Therapy: 50× the base bet, 96.20% RTP, an expected cost of 1.90× the base bet per buy. Bonus Garde: 100× the base bet, 96.20% RTP, an expected cost of 3.80× the base bet per buy. Bonus Mystery: 250× the base bet, 96.20% RTP, an expected cost of 9.50× the base bet per buy. Bonus Urgence: 300× the base bet, 96.20% RTP, an expected cost of 11.40× the base bet per buy.
Is Code Defib high or low volatility?
High. Its base-mode standard deviation is 35.9× 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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