What Is Plinko?
Plinko is a casino game inspired by the famous game show segment from "The Price is Right." A ball is dropped from the top of a pyramid-shaped pegboard and bounces randomly until it lands in one of the prize slots at the bottom.
Various providers offer Plinko (Spribe, BGaming, and others), each with slightly different row counts and multiplier values, but the core mechanics remain the same.
How Plinko Works
- Choose your risk level: Low, Medium, or High
- Select number of rows: Usually 8-16 rows of pegs
- Place your bet
- Drop the ball: Watch it bounce through the pegs
- Collect your payout: Based on which slot the ball lands in
The ball's path is determined by random bounces at each peg level. While it looks like physics, the outcome is actually determined by a random number generator (RNG).
Probability Distribution
Plinko follows a binomial distribution—the same mathematics as coin flips:
- At each peg, the ball goes left or right with equal probability
- This creates a "bell curve" of landing probabilities
- Center slots are hit most often; edge slots are rare
Approximate Landing Probability (16 Rows)
| Position | Probability | Typical Multiplier |
|---|---|---|
| Center | ~12-18% | 0.2x - 0.5x (loss) |
| Near-center | ~10-15% each | 0.5x - 1.0x |
| Mid-range | ~5-10% each | 1.0x - 3.0x |
| Near-edge | ~1-3% each | 5x - 20x |
| Edge (jackpot) | ~0.01-0.5% | 100x - 1000x |
Risk Levels
Risk level adjusts the volatility (spread of outcomes):
Low Risk
- Center multipliers: ~0.5x (small loss)
- Edge multipliers: ~5-10x
- Most consistent experience, smallest swings
Medium Risk
- Center multipliers: ~0.2-0.3x (bigger loss)
- Edge multipliers: ~50-100x
- Balance between consistency and big win potential
High Risk
- Center multipliers: ~0x-0.2x (near-total or total loss)
- Edge multipliers: ~500-1000x
- Extreme variance—many losses punctuated by rare big wins
Important: All risk levels have the same RTP. Higher risk doesn't mean better returns—just bigger swings. Over time, you lose the same percentage.
RTP and House Edge
Most Plinko games have an RTP of 97-99% (1-3% house edge).
The multipliers are calibrated so that:
- High multipliers × low probability = specific expected value
- Low multipliers × high probability = specific expected value
- Sum of all outcomes = 97-99% of stake returned
The 1-3% difference is the house's mathematical profit margin. No dropping pattern, timing, or "method" can change this.
Responsible Approach
Plinko's visual appeal can mask its gambling nature. To play responsibly:
- Expect losses: Center drops (losses) happen most often
- Don't chase edge multipliers: They're statistically rare
- Set a budget: The fast pace enables rapid spending
- High risk isn't "better": It just means bigger swings
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