Halo & Havoc slot: RTP and max win
Halo & Havoc is a medium-volatility slot by Vertex Studios on Stake Engine, released 25 Sep 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 50,000× the bet, bigger than 97% of Engine slots; from a base spin it lands about once every 15,000,000 spins. It has 3 bonus buys priced at 80× to 140× the bet; the best returns 96.00%, so each buy costs 3.20× the bet on average over the long run. It is the No. 2679 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× | 96.00% | 50,000× | 1 in 15,000,000 | 1 in 2.19 | 1 in 4.71 | 0.04× base | Simulate |
| Wildboost | Boosted spin | 2.00× | 96.00% | 50,000× | 1 in 2,500,000 | 1 in 1.99 | 1 in 7.70 | 0.08× base | Simulate |
| Hunt | Boosted spin | 3.00× | 96.00% | 50,000× | 1 in 5,000,000 | 1 in 2.17 | 1 in 16 | 0.12× base | Simulate |
| Twowild | Boosted spin | 5.00× | 96.00% | 50,000× | 1 in 384,045 | 1 in 1.10 | 1 in 8.22 | 0.20× base | Simulate |
| Bonus | Bonus buy | 80× | 96.00% | 50,000× | 1 in 5,000,000 | 1 in 1.01 | 1 in 3.28 | 3.20× base | Simulate |
| Mystery | Bonus buy | 100× | 96.00% | 50,000× | 1 in 5,000,000 | every round | 1 in 3.76 | 4.00× base | Simulate |
| Super | Bonus buy | 140× | 96.00% | 50,000× | 1 in 5,000,000 | every round | 1 in 3.28 | 5.60× base | Simulate |
Work out the cost of Halo & Havoc 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 | 96.000% | Active |
Frequently asked
What is the RTP of Halo & Havoc?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 6. All 3 of its bonus buys return 96.00%.
What is the max win in Halo & Havoc and how likely is it?
The top payout is 50,000× the base bet. On a base spin it lands 1 in 15,000,000 spins. In the Bonus buy (80×) 50,000× lands 1 in 5,000,000 buys.
Does Halo & Havoc have a bonus buy, and what does it cost?
Yes, 3 buy modes. Bonus: 80× the base bet, 96.00% RTP, an expected cost of 3.20× the base bet per buy. Mystery: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Super: 140× the base bet, 96.00% RTP, an expected cost of 5.60× the base bet per buy.
Is Halo & Havoc high or low volatility?
Medium. Its base-mode standard deviation is 16.7× 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 Halo & Havoc
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
Dragon TrapperHippo Corp RTP96.00%Max win50,000×Volatility
Rex RumbleSpinForge Studios RTP96.00%Max win50,000×Volatility
Gnome FuWinton Gaming RTP96.00%Max win50,000×Volatility
Trash KingTinex Games RTP96.00%Max win50,000×Volatility
Velvet ViceBroke By Design RTP96.00%Max win50,000×Volatility
INFERNAL THRONEByteBag studio RTP96.00%Max win50,000×Volatility