Chalk Days slot: RTP and max win
Chalk Days is a low-volatility slot by Tinex Games on Stake Engine, released 21 Aug 2026. Its base game returns 95.30%, 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 19,699,956 spins. It has 4 bonus buys priced at 70× to 500× the bet; the best returns 95.30%, so each buy costs 3.29× the bet on average over the long run. It is the No. 5560 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× | 95.30% | 50,000× | 1 in 19,699,956 | 1 in 2.50 | 1 in 4.60 | 0.05× base | Simulate |
| Ante | Boosted spin | 3.00× | 95.30% | 50,000× | 1 in 18,999,128 | 1 in 2.41 | 1 in 4.77 | 0.14× base | Simulate |
| Ante V1 | Boosted spin | 12× | 95.30% | 50,000× | 1 in 5,100,000 | 1 in 1.01 | 1 in 10 | 0.56× base | Simulate |
| Ante V2 | Bonus buy | 70× | 95.30% | 50,000× | 1 in 5,100,001 | 1 in 1.01 | 1 in 4.31 | 3.29× base | Simulate |
| Feature L1 | Bonus buy | 100× | 95.30% | 50,000× | 1 in 11,999,993 | 1 in 1.01 | 1 in 5.20 | 4.70× base | Simulate |
| Feature L2 | Bonus buy | 200× | 95.30% | 50,000× | 1 in 9,000,142 | every round | 1 in 4.33 | 9.40× base | Simulate |
| Feature L3 | Bonus buy | 500× | 95.30% | 50,000× | 1 in 7,500,858 | every round | 1 in 3.40 | 23.50× 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 | |
|---|---|---|
| v2 | 95.300% | Active |
Frequently asked
What is the RTP of Chalk Days?
Base spins return 95.30% of the amount wagered over the long run, from the published outcome table for version 2. All 4 of its bonus buys return 95.30%.
What is the max win in Chalk Days and how likely is it?
The top payout is 50,000× the base bet. On a base spin it lands 1 in 19,699,956 spins. In the Ante V2 buy (70×) 50,000× lands 1 in 5,100,001 buys.
Does Chalk Days have a bonus buy, and what does it cost?
Yes, 4 buy modes. Ante V2: 70× the base bet, 95.30% RTP, an expected cost of 3.29× the base bet per buy. Feature L1: 100× the base bet, 95.30% RTP, an expected cost of 4.70× the base bet per buy. Feature L2: 200× the base bet, 95.30% RTP, an expected cost of 9.40× the base bet per buy. Feature L3: 500× the base bet, 95.30% RTP, an expected cost of 23.50× the base bet per buy.
Is Chalk Days high or low volatility?
Low. Its base-mode standard deviation is 12.5× the bet, which puts it in the lowest 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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