Castle Chaos slot: RTP and max win
Castle Chaos is a high-volatility slot by Tinex Games on Stake Engine, released 27 Aug 2026. Its base game returns 95.00%, 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 14,999,994 spins. It has 4 bonus buys priced at 50× to 500× the bet; the best returns 95.00%, so each buy costs 2.50× the bet on average over the long run. It is the No. 5530 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 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× | 95.00% | 50,000× | 1 in 14,999,994 | 1 in 2.44 | 1 in 8.37 | 0.05× base | Simulate |
| Watchtower | Boosted spin | 3.00× | 95.00% | 50,000× | 1 in 11,999,989 | 1 in 2.90 | 1 in 29 | 0.15× base | Simulate |
| Arrow Slits | Bonus buy | 50× | 95.00% | 50,000× | 1 in 7,997,383 | 1 in 1.03 | 1 in 8.03 | 2.50× base | Simulate |
| Gate Siege | Bonus buy | 100× | 95.00% | 50,000× | 1 in 10,000,011 | every round | 1 in 4.91 | 5.00× base | Simulate |
| Iron Rampart | Bonus buy | 200× | 95.00% | 50,000× | 1 in 5,999,971 | – | 1 in 4.43 | 10.00× base | Simulate |
| Last Bastion | Bonus buy | 500× | 95.00% | 50,000× | 1 in 4,000,009 | – | 1 in 4.21 | 25.00× base | Simulate |
Work out the cost of Castle Chaos 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 | 95.000% | Active |
Frequently asked
What is the RTP of Castle Chaos?
Base spins return 95.00% of the amount wagered over the long run, from the published outcome table for version 2. All 4 of its bonus buys return 95.00%.
What is the max win in Castle Chaos and how likely is it?
The top payout is 50,000× the base bet. On a base spin it lands 1 in 14,999,994 spins. In the Arrow Slits buy (50×) 50,000× lands 1 in 7,997,383 buys.
Does Castle Chaos have a bonus buy, and what does it cost?
Yes, 4 buy modes. Arrow Slits: 50× the base bet, 95.00% RTP, an expected cost of 2.50× the base bet per buy. Gate Siege: 100× the base bet, 95.00% RTP, an expected cost of 5.00× the base bet per buy. Iron Rampart: 200× the base bet, 95.00% RTP, an expected cost of 10.00× the base bet per buy. Last Bastion: 500× the base bet, 95.00% RTP, an expected cost of 25.00× the base bet per buy.
Is Castle Chaos high or low volatility?
High. Its base-mode standard deviation is 48.6× 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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