MUTANT MAYHEM slot: RTP and max win
MUTANT MAYHEM is a medium-volatility slot by WITCH on Stake Engine, released 28 Sep 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 25,000× the bet, bigger than 81% of Engine slots. It has 4 bonus buys priced at 50× to 500× the bet; the best returns 96.00%, so each buy costs 2.00× the bet on average over the long run.
Every mode, side by side
Costs are multiples of the base bet. Odds come from the published outcome table for v2. "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× | 96.00% | 1,972× | 1 in 28,750 | 1 in 3.64 | 1 in 18 | 0.04× base | Simulate |
| Chance | Boosted spin | 3.00× | 96.00% | 3,747× | 1 in 23,899 | 1 in 3.56 | 1 in 30 | 0.12× base | Simulate |
| Eveil | Bonus buy | 50× | 96.00% | 6,996× | 1 in 5,320 | 1 in 2.01 | 1 in 19 | 2.00× base | Simulate |
| Bonus | Bonus buy | 100× | 96.00% | 7,852× | 1 in 9,050 | 1 in 1.01 | 1 in 4.47 | 4.00× base | Simulate |
| Super Bonus | Bonus buy | 200× | 96.00% | 25,000× | 1 in 5,574 | 1 in 1.06 | 1 in 7.65 | 8.00× base | Simulate |
| Mystere | Bonus buy | 500× | 96.00% | 25,000× | 1 in 510 | 1 in 2.31 | 1 in 8.01 | 20.00× base | Simulate |
Work out the cost of MUTANT MAYHEM 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 | |
|---|---|---|
| v2 | 96.000% | Active |
| v1 | 96.000% |
Frequently asked
What is the RTP of MUTANT MAYHEM?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 2. All 4 of its bonus buys return 96.00%.
What is the max win in MUTANT MAYHEM and how likely is it?
The top payout is 25,000× the base bet. On a base spin the top payout of 1,972× lands 1 in 28,750 spins. In the Eveil buy (50×) 6,996× lands 1 in 5,320 buys.
Does MUTANT MAYHEM have a bonus buy, and what does it cost?
Yes, 4 buy modes. Eveil: 50× the base bet, 96.00% RTP, an expected cost of 2.00× the base bet per buy. Bonus: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Super Bonus: 200× the base bet, 96.00% RTP, an expected cost of 8.00× the base bet per buy. Mystere: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy.
Is MUTANT MAYHEM high or low volatility?
Medium. Its base-mode standard deviation is 19.6× 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 MUTANT MAYHEM
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
Wanted ChaosRokaz Gaming RTP96.00%Max win25,000×Volatility
Dojo ClashOddSpark Studios RTP96.00%Max win25,000×Volatility
Wildly Monsters: UnleashedRabbit Gaming RTP96.00%Max win25,000×Volatility
Ugga DuggaRainfall Gaming RTP96.00%Max win25,000×Volatility
Candy HeavenRainfall Gaming RTP96.00%Max win25,000×Volatility
Dark ForestLotors RTP96.00%Max win25,000×Volatility