Whiteboard slot: RTP and max win
Whiteboard is a medium-volatility slot by Carlsson Gaming on Stake Engine, released 4 Jul 2026. Its base game returns 95.76%, below the median Engine slot (96.02%). The top payout is 15,000× the bet, bigger than 50% of Engine slots; from a base spin it lands about once every 1,000,000 spins. It has 1 bonus buy priced at 100× the bet; the best returns 95.67%, so each buy costs 4.33× the bet on average over the long run. It is the No. 6615 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 v33. "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× | 95.76% | 15,000× | 1 in 1,000,000 | 1 in 3.94 | 1 in 6.47 | 0.04× base | Simulate |
| Extra Chance | Boosted spin | 1.50× | 95.43% | 15,000× | 1 in 1,000,000 | 1 in 3.12 | 1 in 7.39 | 0.07× base | Simulate |
| Gold Respin | Bonus buy | 100× | 95.67% | 15,000× | 1 in 125,000 | – | 1 in 3.58 | 4.33× 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 | |
|---|---|---|
| v33 | 95.759% | Active |
Frequently asked
What is the RTP of Whiteboard?
Base spins return 95.76% of the amount wagered over the long run, from the published outcome table for version 33. Its bonus buy returns 95.67%.
What is the max win in Whiteboard and how likely is it?
The top payout is 15,000× the base bet. On a base spin it lands 1 in 1,000,000 spins. In the Gold Respin buy (100×) 15,000× lands 1 in 125,000 buys.
Does Whiteboard have a bonus buy, and what does it cost?
Yes, 1 buy mode. Gold Respin: 100× the base bet, 95.67% RTP, an expected cost of 4.33× the base bet per buy.
Is Whiteboard high or low volatility?
Medium. Its base-mode standard deviation is 18.3× 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.
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