Lucky Penny (3 Oaks Gaming (Booongo)) – Review & Demo Play

First look at Lucky Penny

Lucky Penny runs on a 6x5 Pay Anywhere grid from 3 Oaks Gaming, released in August 2024. Eight or more matching symbols pay in any position, cascades follow every win, and the whole engine is built around one thing I care about: the Penny Coin multipliers that can carry values from x2 to x1,000.

The Irish theme is standard leprechaun fare, competent but familiar. What holds my attention is the multiplier architecture. A single spin can decorate the grid with several coins, their values sum, and the total is applied to the win once the cascade sequence ends. That is the whole draw here.

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The multiplier system in Lucky Penny

Penny Coins are the engine. On any spin the Irishman can toss one or several onto the grid, each holding a value between x2 and x1,000. At the end of the cascading sequence all coin values are added together and the combined total is applied to that spin's win. In the base game that is where the accumulation stops.

The progressive multiplier climbs in tiers only inside Free Spins. Once a coin lands on a winning spin, its value joins a meter on top of the grid. From then on, every winning spin with a coin in view adds the new value to everything already banked, and the running total multiplies the reward. The multiplier only compounds inside free spins, and the trail rarely carries between rounds because the meter resets the moment the bonus ends.

A x500 is reachable if enough coins stack across a long cascade or a well-fed meter, and the headline x1,000 single coin exists on paper. The increment per trigger is modest early on, so the ceiling is high but the path to it is narrow. Super Free Spins fix part of that by starting from a guaranteed multiplier and drawing coins from a higher x10 to x1,000 band.

Bonus features

Free Spins

Triggered by 4, 5 or 6 scatters for 15, 20 or 25 free spins. A progressive multiplier meter builds as Penny Coins land, and its total is applied to every winning spin for the rest of the round.

Feature Cost: 100x bet

Super Free Spins

Bought for 500x the bet, this enhanced round starts with a guaranteed minimum multiplier and uses larger Penny Coin values from x10 to x1,000.

Feature Cost: 500x bet

Are the multipliers in Lucky Penny worth it?

Max win caps at 20,000x with an RTP of 95.64% and volatility the studio leaves undisclosed, sitting somewhere in the medium to high band. The effective ceiling limits the potential more than the raw x1,000 figure suggests, because base-game coins pay once and then vanish. The accumulation collapses outside the bonus, so the base game gives you flashes rather than a build.

Inside Free Spins the maths changes. The global multiplier climbs in tiers and each new coin lifts every subsequent win, which is where the 20,000x cap becomes plausible. The catch is that the headline x-value is rarely realised on a single coin, and the meter needs sustained coin frequency to reach anything near the top. The system's efficiency stays theoretical unless the bonus runs long.

The symbols of Lucky Penny

Payouts run on volume. The Horseshoe leads at x50 for 12 or more, followed by the Pint at x20, the Pipe at x15 and the Bag at x10. Below them a stack of coloured gems pays down to fractions of the bet for eight in view. The progression leans too heavily on the Horseshoe, so much of the top-end base value depends on that one symbol landing in bulk.

The Wild sits on a rainbow and substitutes for regular symbols, but it does not pay on its own and does not cover the scatter or the Penny Coins. The Leprechaun scatter drives the bonus. Neither the Wild nor the coins can be blocked by each other, which keeps the multiplier flow clean during cascades.

Symbols and payouts

Horseshoe

Top-paying regular symbol, awarding x50 for 12 or more on the grid.

12+	x50
10+	x10
8+	x5

Pint

High-value symbol paying x20 for 12 or more.

12+	x20
10+	x5
8+	x2

Pipe

High-value symbol paying x15 for 12 or more.

12+	x15
10+	x4
8+	x1.5

Bag

High-value symbol paying x10 for 12 or more.

12+	x10
10+	x2
8+	x1

12+	x5
10+	x1.5
8+	x0.75

12+	x4
10+	x1.25
8+	x0.5

12+	x2.5
10+	x1
8+	x0.4

12+	x1.5
10+	x0.75
8+	x0.25

12+	x1
10+	x0.5
8+	x0.2

Scatter

The Leprechaun scatter triggers Free Spins when 4 or more land in view.

Wild

Set on a rainbow backdrop, substitutes for all regular symbols but does not pay on its own and does not replace scatters or Penny Coins.

Gallery of video and screenshots of the game