Plinko · Free tool
Free Plinko Game: Drop Balls, Pick Your Risk and See the Real Odds
Quick answer
Pick the number of rows and a risk level, then drop a ball. At each peg it bounces left or right with a 50/50 chance, so it usually lands near the middle; on 16 rows an edge slot is a 1 in 32,768 shot. Our demo paytables return about 98% to 99.4% of stakes on average, and the demo shows the exact RTP for each setting.
| Rows | 8, 12 or 16 |
|---|---|
| Risk levels | Low, medium, high (same landing odds, different multipliers) |
| Chance of an edge slot | 1 in 128 (8 rows) to 1 in 32,768 (16 rows) |
| Demo RTP | 98.1% to 99.4% depending on setting |
| Randomness | A fair 50/50 bounce per row from crypto.getRandomValues |
| Money | Play credits only, no sign-up |
This free Plinko game lets you drop as many balls as you like with play credits. You can switch between 8, 12 and 16 rows and three risk levels. Under the board you'll see every slot's multiplier and, when you hover over it, its exact landing chance. The panel shows the RTP for your setting, worked out from those numbers rather than estimated.
Play free Plinko
Drops 100,000 balls with your current setting and compares the result with the exact RTP.
How to play Plinko
- Choose the rows. More rows means more pegs, more possible slots and rarer edges.
- Choose the risk. It changes the multipliers, not where the ball lands.
- Set your bet and press Drop ball.
- Collect the multiplier under the slot where the ball lands. A 2× slot pays twice your bet; a 0.3× slot returns 30% of it.
Why the ball usually lands in the middle
At each row the ball goes left or right with equal probability. To reach the far left slot it has to go left every single time; to land in the middle it needs any mix of half lefts and half rights, and there are far more ways to do that. The number of rights follows the binomial distribution:
P(slot k) = C(n, k) ÷ 2ⁿOn 8 rows, the centre slot has C(8,4) = 70 paths out of 256: 27.34%. Each edge slot has 1 path: 0.39%.
| Rows | Middle of the board | One specific edge slot | Either edge slot |
|---|---|---|---|
| 8 | 3 centre slots: 71.09% | 1 in 256 | 1 in 128 |
| 12 | 3 centre slots: 61.23% | 1 in 4,096 | 1 in 2,048 |
| 16 | 3 centre slots: 54.55% | 1 in 65,536 | 1 in 32,768 |
That's the same Galton board maths behind a physical Plinko board. Our guide to the Plinko game board covers the history and the peg layout.
Our demo paytables and their RTP
These are our own multipliers, made for this demo. They aren't copied from any casino. We calculated each RTP exactly:
| Rows | Risk | Top multiplier | Chance of more than 1× | Chance of less than 1× | RTP |
|---|---|---|---|---|---|
| 8 | Low | 6× | 28.91% | 27.34% | 98.67% |
| 8 | Medium | 12× | 28.91% | 71.09% | 98.13% |
| 8 | High | 28× | 28.91% | 71.09% | 99.22% |
| 12 | Low | 9× | 38.77% | 22.56% | 98.18% |
| 12 | Medium | 30× | 38.77% | 61.23% | 99.43% |
| 12 | High | 160× | 14.60% | 85.40% | 98.62% |
| 16 | Low | 15× | 45.45% | 19.64% | 98.57% |
| 16 | Medium | 100× | 21.01% | 54.55% | 99.28% |
| 16 | High | 900× | 21.01% | 78.99% | 98.79% |
The pattern to notice: RTP stays around 98% to 99% at every setting, but the chance of losing on a single ball rises from about 20% (16 rows, low risk) to 85% (12 rows, high risk). Higher risk doesn't make Plinko more expensive on average. It makes the results lumpier: long runs of small losses and the occasional big hit.
How real-money Plinko differs
Real Plinko games, usually found at crypto casinos, work the same way but set their own multipliers. Some publish an RTP of about 99%; others don't. Before you play:
- Find the paytable for the exact rows and risk you'll use, and work out the RTP yourself or with the formula above.
- Check that the game is provably fair if it claims to be. Our guide to whether Plinko is legit explains what to look for.
- Avoid "Plinko apps" that promise cash for watching ads. Our real-money Plinko guide covers the red flags.
More free games
- Free keno, another pure-chance game with exact odds
- Free roulette table and free blackjack
- Random number generator if you just want a fair draw
Back to the Plinko guides hub.
Frequently asked questions
Is free Plinko the same as real-money Plinko?
The landing odds are the same in any fair Plinko game, because they come from the 50/50 bounces. The multipliers aren't. Our demo uses its own paytables, and every real game publishes its own, so the RTP can differ. Use the demo to learn how rows and risk change the swings, not to predict a specific casino's returns.
What does the risk level change in Plinko?
Only the multipliers. The ball lands in the same slots with the same probabilities whatever the risk level. High risk puts bigger multipliers on the rare edge slots and smaller ones (often below 1×) in the middle, so most drops lose a little and a few win big. Low risk keeps most results close to your stake.
How often does a Plinko ball hit the edge?
On an n-row board, each edge slot needs the ball to go the same way at every peg: a chance of 1 in 2 to the power n. Either edge together is 1 in 128 on 8 rows, 1 in 2,048 on 12 rows and 1 in 32,768 on 16 rows.
Can you predict where a Plinko ball will land?
Only in terms of probability. Each bounce is an independent 50/50, so the middle slots are most likely, but no pattern of past drops changes the next one. Our simulator shows the distribution settling into the expected bell shape over 100,000 balls.
How is Plinko RTP calculated?
Multiply each slot's landing chance by its multiplier and add them up. Our demo does this live for whatever rows and risk you pick and shows the result next to the board.
Sources
- Galton board — Wikipedia. Ball landing positions follow the binomial distribution
- Binomial Coefficient — Wolfram MathWorld. Number of ways to choose k from n
- Crypto: getRandomValues() method — MDN Web Docs