Verified mathNo predictors · No hacks

The real numbers
behind every bet.

RTP Lab is a free simulator and calculator layer for crypto casino games — play the demo boards for Stake, BC.Game, Rainbet and Roobet, built on their own published RTP and house-edge math. No sign-up, no deposits, nothing here pays out. You see the formula, not a promise.

Tools mapped to
StakeBC.GameRainbetRoobet
Mines · Payout calculator5×5 · 1.00% edge
Mines
Tiles cleared 3 / 22Click a tile to change
Cash-out at
1.48×
Win chance66.96%
Return on 100147.85
House edge1.00%
Curve→ 7.96×
multiplier = 0.99 × C(25,k) ÷ C(25−m,k)Read the derivation
01 / The toolkit

Five tools.
One published formula each.

Every tool simulates the real game and states its inputs, house edge and equation — calibrated against the published tables for Stake, BC.Game, Rainbet and Roobet.

01

Plinko

Drop-path probability, per-bucket multipliers and true RTP for 8, 12 and 16-row boards at low, medium and high risk.

Most popular
8, 12 & 16-row boards, low to high risk
02

Mines

Exact cash-out multiplier and win probability for any mine count and tile depth on a 5×5 grid.

5×5 grid, every mine count
03

Crash / Aviator

Survival odds per target multiplier, plus flat-bet and Martingale bankroll math.

Any target multiplier
04

Dice

Roll-over / roll-under thresholds converted to payout, edge and variance in one pass.

0.0050.50100.00
Any roll threshold
05

Bonus & VIP

Wager-to-tier progress, weekly and monthly reload estimates, and rakeback value per level.

Every VIP tier, all four platforms
02 / See it in action

A live Plinko board,
running the real table.

This is the 8-row, low-risk board exactly as Stake publishes it. Every drop is a fair binomial path — 256 equally likely routes across eight peg rows. The distribution below is the theoretical share; the hit counter is what the simulator has actually landed since you opened the page.

Return to player
98.98%
House edge
1.02%
Open the full toolkit
Cross-checked against the published tableΔ 0.0000 across all nine buckets
Plinko · Distribution simulatorRunning
Rows
Risk
Bet
1.00USDT

Simulated only. No funds, no account.

Drops 0Paths 256Sample RTP
BucketProb · Hits
5.6×0.39%0
2.1×3.13%0
1.1×10.94%0
1.0×21.88%0
0.5×27.34%0
1.0×21.88%0
1.1×10.94%0
2.1×3.13%0
5.6×0.39%0
P(bucket j) = C(8,j) ÷ 2⁸  ·  RTP = Σ P·multiplier8 rows · 9 buckets · 256 paths
03 / Why this one

Three reasons this beats a search-result box.

All of it checkable. None of it a promise about your next round.

GenericRTP Lab
  • Shows the underlying formula
  • Platform-specific payout tables
  • States house edge up front
  • "Predictor" / "hack" framing
  • Ad-wall before the tool loads
  • 01 / Transparent math

    The formula is on the page, not behind a paywall.

    No “predictor.” No “hack.” No pattern-spotting. Every result we print comes from published RTP and house-edge figures, and we show the equation that produced it — so you can check our arithmetic before you trust it.

    PUBLISHED TABLES · STATED EDGE · SHOWN DERIVATION
  • 02 / Platform-specific

    Calibrated per platform, because the tables are not identical.

    Stake, BC.Game, Rainbet and Roobet each ship their own multiplier tables, VIP thresholds and bonus cadences. A generic simulator quietly averages them. Ours are built one platform at a time and labelled with the version they match.

    STAKE · BC.GAME · RAINBET · ROOBET
  • 03 / Built for the gaps

    The queries thin sites rank for, answered properly.

    stakesim.com, stakeanalyzer.live and calculatorscity.com sit on high-intent terms with almost nothing behind them — a single input box, no math, no platform context. RTP Lab is built to answer those same searches completely.

    5 PILLARS · 24 PLANNED SUB-GUIDES
04 / How the math works

We do not predict outcomes.
We describe them exactly.

Three ideas carry every tool on this site. Learn them once and you can read any crypto casino game — including the ones we have not built a calculator for yet.

0Pillar calculatorsMines · Crash · Plinko · Dice · Bonus
0Platforms coveredStake · BC.Game · Rainbet · Roobet
0%Verified Plinko RTP8-row low risk, recomputed
0Predictors soldAnd there never will be
RTP98.98%

Return to player

The long-run share of wagered value a game gives back. It is a property of the multiplier table, not a forecast — we compute it as Σ P(outcome) × multiplier and print the figure next to every tool.

Edge1.02%

House edge

Simply 100% − RTP. It is the cost of playing, stated per game rather than buried. When a platform changes a table, the edge moves, and the tool changes with it.

FairnessSHA-256

Provably fair

Crypto casinos commit to a hashed server seed before the round. You can verify any result after the fact — which is exactly why the outcome cannot be predicted in advance, by us or anyone else.

Figures are recomputed from each platform's published multiplier tables and re-checked when a table changes. Where a platform does not publish a figure, we say so rather than estimate it.

05 / Platform coverage

What is live, stated plainly.

We would rather show you an honest gap than a calculator quietly running the wrong table. Dashes mean the platform does not offer that game — not that we skipped it.

ToolStakePrimary reference tablesBC.GameOwn multiplier setRainbetNewer, thinner coverageRoobetCrash-led catalogue
Mines
Crash / Aviator
Plinko
Dice
Bonus & VIP
Live now In build Not offered on that platformLast table check · 19 Aug
Ready when you are

Run the numbers first.
Then decide.

Every tool here is free and stays free. If the math says a bet is a bad idea, the tool will tell you that too — we would rather you understood the edge than clicked through blind.

Try a simulatorSee platform coverage

No signup, no account — every tool stays free.