Gamdom Mines Calculator
Model the visible 99% multiplier table, survival chance, bust risk and cash-out payout for a 25-tile setup. A separate return credit can raise the effective RTP to 100% while the account remains eligible.
Calculate the visible 99% multiplier table
Choose a bet, mine count and safe-pick target to estimate the cash-out multiplier, payout and probability shown by the visible table. The separate return credit is not added to an individual round payout.
Fair multiplier = 1 / P
Visible table estimate = Fair × 0.99
Interactive 99% multiplier table
Compare survival chance, cash-out multiplier, payout and profit for the selected setup.
With 3 mines and 5 safe picks, the survival chance is 49.57%. At a nominal 99% RTP, the cash-out multiplier is 1.9974x; a 10.00-unit bet would return 19.97 if you cash out after 5 safe picks. Effective RTP at this cash-out point is 99.00%, with EV of -0.0100 per unit.
This calculator models the visible payout table. It does not add a separate return credit or apply a maximum-win cap automatically.
| Safe picks | Survival | Bust risk | Fair mult. | Est. mult. | Cash-out payout | Profit |
|---|---|---|---|---|---|---|
| 1 | 88.00% | 12.00% | 1.1364x | 1.1250x | 11.25 | 1.25 |
| 2 | 77.00% | 23.00% | 1.2987x | 1.2857x | 12.86 | 2.86 |
| 3 | 66.96% | 33.04% | 1.4935x | 1.4786x | 14.79 | 4.79 |
| 4 | 57.83% | 42.17% | 1.7293x | 1.7120x | 17.12 | 7.12 |
| 5 | 49.57% | 50.43% | 2.0175x | 1.9974x | 19.97 | 9.97 |
| 6 | 42.13% | 57.87% | 2.3736x | 2.3498x | 23.50 | 13.50 |
| 7 | 35.48% | 64.52% | 2.8186x | 2.7904x | 27.90 | 17.90 |
| 8 | 29.57% | 70.43% | 3.3824x | 3.3485x | 33.49 | 23.49 |
| 9 | 24.35% | 75.65% | 4.1071x | 4.0661x | 40.66 | 30.66 |
| 10 | 19.78% | 80.22% | 5.0549x | 5.0044x | 50.04 | 40.04 |
| 11 | 15.83% | 84.17% | 6.3187x | 6.2555x | 62.55 | 52.55 |
| 12 | 12.43% | 87.57% | 8.0420x | 7.9615x | 79.62 | 69.62 |
| 13 | 9.565% | 90.43% | 10.455x | 10.350x | 103.50 | 93.50 |
| 14 | 7.174% | 92.83% | 13.939x | 13.800x | 138.00 | 128.00 |
| 15 | 5.217% | 94.78% | 19.167x | 18.975x | 189.75 | 179.75 |
| 16 | 3.652% | 96.35% | 27.381x | 27.107x | 271.07 | 261.07 |
| 17 | 2.435% | 97.57% | 41.071x | 40.661x | 406.61 | 396.61 |
| 18 | 1.522% | 98.48% | 65.714x | 65.057x | 650.57 | 640.57 |
| 19 | 0.8696% | 99.13% | 115.00x | 113.85x | 1,138.50 | 1,128.50 |
| 20 | 0.4348% | 99.57% | 230.00x | 227.70x | 2,277.00 | 2,267.00 |
| 21 | 0.1739% | 99.83% | 575.00x | 569.25x | 5,692.50 | 5,682.50 |
| 22 | 0.0435% | 99.96% | 2,300.0x | 2,277.0x | 22,770.00 | 22,760.00 |
The table updates when you change the mine count, bet amount or RTP setting.
Three numbers to check
Gamdom separates the round payout from the additional return layer. Read those parts independently.
Visible cash-out price
The calculator models the multiplier printed beside the cash-out button. This is the amount used to calculate the round payout.
Separate return credit
The Zero Edge credit is applied outside the round payout when the account and wager volume qualify under the current terms.
Maximum-win exposure
For large bets, compare bet × multiplier with the current maximum win. A cap can reduce the realizable payout even when the probability math is correct.
Check the live Mines table on Gamdom
Compare the live multiplier table with the calculator, then check the current Zero Edge allowance and maximum-win terms in your account. Gamdom’s public pages have used different allowance figures, so the live counter is the final reference.
Why the screen can show 99% while Gamdom advertises 100%
The two figures describe different layers. The cash-out multiplier can follow a 99% table while a separate credit returns part of the remaining edge to eligible accounts.
The visible multiplier check
In a live check on July 10, 2026, 2 mines and 5 safe picks showed 1.5632x. The fair multiplier for that target is 1.5789x, and 1.5632 ÷ 1.5789 is approximately 0.99.
The next displayed step, 1.7368x, gives the same result against its 1.7544x fair price. This is why the calculator defaults to the 99% table.
Check the current allowance before relying on 100%
The Gamdom Help Center, dated January 7, 2026, describes around 99% base RTP and Zero Edge returns on the first $50,000 wagered on eligible games.
An earlier Gamdom launch article described instant rakeback on the first $5,000 wagered daily. Because the official wording differs, use the live allowance counter and current account terms as the final source.
How to check the maximum-win cap
A live game-page check on July 10, 2026 showed a $2,500,000 maximum win and a bet range up to $500,000. Gamdom’s older Mines launch article advertised a $1,000,000 maximum, so confirm the current limit before using the examples below.
Find the target multiplier
With 24 mines and one safe tile, fair math gives 25.00x. A 99% payout table gives 24.75x before any cap.
Divide the cap by the multiplier
Using a $2,500,000 cap as the checked example, $2,500,000 ÷ 24.75 is about $101,010. Bets above that point cannot receive the full 24.75x payout.
Calculate the realizable multiplier
At a $500,000 bet, a $2,500,000 cap limits the payout to 5.00x. The probability does not change; only the maximum cash-out amount is reduced.
Inputs used by this calculator
The calculation uses a standard 25-tile board and a 99% visible multiplier table. The return allowance and win cap are separate account or platform conditions.
What provably fair verification can show
Gamdom’s Help Center says its Originals use SHA-256 hash chains and publishes sample result code for Mines. Verification is useful for checking completed rounds, not for finding future safe tiles.
It can verify completed results
A committed hash lets you test whether a finished result is consistent with the published verification method. See the detailed process on Provably Fair Mines.
It cannot reveal the next board
A cryptographic hash is a commitment, not a preview. The unrevealed input cannot be recovered from the hash in time to choose a safe tile.
How to use the Gamdom calculation
Price the round from the visible table
Select the same mine count and safe-pick target as the live round. Use the 99% result to compare the printed cash-out multiplier.
Check whether the wager is eligible
Do not assume the separate return credit applies. Confirm the current allowance, reset rules and account status in the live interface.
Test the maximum-win limit
Multiply the bet by the target multiplier. If the result exceeds the current maximum win, use the cap instead of the uncapped estimate.
Related Mines tools
Use the general calculator and chart pages to compare this pricing with other RTP settings or generic 25-tile Mines math.
Other Mines versions
Each page applies the published or observed conditions of a different Mines version to the same 25-tile probability model.
FAQ
Is Gamdom Mines really 100% RTP?
The visible multipliers follow an approximately 99% table. Gamdom describes a separate Zero Edge return that can raise the effective return for eligible wager volume, but its public Help Center and launch article currently show different allowance figures. Check the live account counter and current terms.
Why do the live multipliers look like a 99% table?
A live check on July 10, 2026 found 1.5632x at 2 mines and 5 safe picks, against a fair value of 1.5789x — a ratio of approximately 0.99. The advertised 100% figure includes a separate return credit rather than a larger round multiplier.
What RTP does this calculator use?
The default setting is 99%, matching the visible multiplier table checked in the game. A separate return credit should not be added to the round multiplier; account for it only after confirming eligibility.
What is the maximum win?
A live check on July 10, 2026 showed $2,500,000, but an older Gamdom launch article advertised $1,000,000. Check the current game screen. With a $2,500,000 cap and a 24.75x target, the cap starts affecting bets above about $101,010.
Can this calculator predict safe tiles?
No. It cannot predict safe tiles, reveal mine positions, decode future rounds or bypass the game. The provably fair scheme commits the board before your first click; the math of why no tool can beat it is demonstrated on the Mines Predictor & Hacks page.
Is the game provably fair?
Gamdom states that its Originals use provably fair SHA-256 hash chains and provides sample code for Mines. This can verify completed results but cannot reveal future boards.
Why can live values differ from this calculator?
The most common causes are rounding, maximum-win limits, allowance eligibility and changed platform terms. Compare the calculator with the current game screen and account counter.