Last updated:28-06-2026
Plinko by BGaming runs at 99% RTP — the lowest house edge of any game format available at Roo Spin, and lower than blackjack at most Australian online casinos. That 1% edge means an expected loss of A$0.80 per hour at A$1 per drop and 80 drops per hour. For context, the average pokie costs you A$24 per hour at the same stake. The maths makes Plinko the most bankroll-friendly game in the lobby by a wide margin. But not all Plinko versions are equal — and the one you're playing might not be BGaming's 99% version. This page explains the difference, how risk levels work, and what you should know before your first drop.
How does Plinko work?
A ball drops from the top of a triangular grid of pegs. At each peg, the ball bounces left or right with roughly 50/50 probability — pure binomial distribution, like flipping a coin at every junction. The ball lands in one of the multiplier slots at the bottom. Centre slots appear most frequently (mathematically, the ball tends towards the middle) and pay the smallest multipliers. Edge slots are rare and pay the highest multipliers — up to 1,000x on High risk with 16 rows.
You control two things before each drop: the number of rows (8 to 16) and the risk level (Low, Normal, High). More rows means more peg bounces, which means a wider spread of possible outcomes. Higher risk concentrates payouts at the edges — the centre pays almost nothing, but the far edges can pay 100x–1,000x. Low risk flattens the distribution: centre slots pay 0.5x–1x, edges pay 5x–10x. The RTP remains ~99% regardless of settings — only the payout shape changes.
Which Plinko version has the best RTP?
This is the critical question most Aussie players miss. Three providers make Plinko games, and their RTPs differ substantially. BGaming's Plinko sits at 98.91%–99.16% depending on rows and risk level — effectively 99%. Spribe's Plinko drops to 97%. Other operators run their own versions at ~96% or lower. If the Roo Spin lobby shows multiple Plinko titles, check the provider name in the game info before you punt. BGaming is the one you want.
Author's tip from Lachlan Reid, Casino Content Editor & Player Safety Analyst: "If you see multiple Plinko games in the lobby, open the game info panel and look for 'BGaming' in the provider field. That's the 99% version. If it says Spribe, you're playing at 97%. That 2% gap compounds fast — over 1,000 drops at A$1, it's the difference between A$10 and A$30 expected loss. Three minutes of checking saves real money."
Risk levels explained — Low, Normal, High
All three risk levels maintain the same ~99% RTP. What changes is the payout distribution. On Low risk with 16 rows, the centre slots pay 0.5x–1.0x (you get most of your money back most of the time). The edges pay 16x at most. On High risk with 16 rows, the centre slots pay 0.2x–0.4x (you lose most drops), but the far edges pay up to 1,000x. Same expected return over thousands of drops — radically different session experience.
- Low risk: steady drip of small returns. Bankroll fluctuates gently. Suited to players who want long sessions on a small budget. Expected to break even or show a small loss most hours.
- Normal risk: moderate variance. Centre pays 0.4x–0.7x, edges pay up to 110x. A middle ground that gives occasional spikes without the extended losing streaks of High.
- High risk: most drops return 0.2x–0.4x (net loss). But one ball hitting the far edge at 1,000x can cover hundreds of losing drops. Requires a bankroll that absorbs 50–100 losing drops comfortably before an edge hit arrives.
Plinko vs Aviator vs Chicken Road — which instant game is best value?
On pure mathematics, Plinko leads. At 99% RTP, it costs A$0.80 per hour at A$1 stakes — less than a cup of coffee. Chicken Road (98%, A$1.60/hr) offers step-by-step decision-making. Aviator (97%, A$2.40/hr) adds social features and dual betting. No bonus rounds or free spins exist in any of these — they're pure RNG mechanics with player-controlled exits (or in Plinko's case, no exit control at all).
| Game | RTP | Expected Loss (A$1/hr) | Max Win | Player Control | Notes |
|---|---|---|---|---|---|
| Plinko (BGaming) | 99% | A$0.80 | 1,000x | Risk + rows only | Cheapest per hour; no mid-round decisions |
| Chicken Road | 98% | A$1.60 | A$10,000 | Step-by-step cash out | Full multiplier transparency |
| Aviator | 97% | A$2.40 | A$10,000 | Real-time cash out | Social features; dual bet; fastest pace |
| Pokies (avg) | 96% | A$24.00 | Varies | None | 600 spins/hr drives cost up |
Plinko has one significant limitation: no bonus round, no free spins, no mechanic that creates a concentrated payout event. Every drop is independent and identically distributed. If you enjoy the adrenaline of triggering a bonus feature — the kind that pays 200x in one hit — Plinko won't provide that. It's a grinding game that protects your bankroll through mathematical efficiency, not excitement.
Author's tip from Lachlan Reid, Casino Content Editor & Player Safety Analyst: "If you're new to Plinko, start with Low risk and 12 rows. Your bankroll will barely move — which is the point. Once you understand how centre-heavy the distribution is, try 10 drops on High risk to see how different it feels. The expected loss is identical. The experience is not. I use Low risk for bankroll preservation whilst clearing bonus wagering — though remember that instant games contribute far less than pokies."
Gambling is restricted to those aged 18 and over. Demo mode is available — test every risk level before committing real money. For definitions of RTP, house edge, and provably fair, see the glossary. Play on mobile via the Roo Spin app, or start from the homepage.
