Rat Royale Slot Review
The Rat King could possibly be the craziest thing nature has produced: a bunch of rats stuck together by their tails to the point where none of them can get away from each other. 🐀 None of them is leaving, and none of them like it.
Altenburg, Germany is home to the famous mummified group of 32 rats which sit on display in a museum. 🏛️ Somebody saw the Rat King and thought it was worthy enough of its own spot in their collection.
Pragmatic Play's Rat Royale slot has a Rat King too, though his version swapped the knot for a throne.
Gameplay
The reels are wedged between stone pillars in a cobwebbed crypt, and the crowned king sits off to the side next to a heap of gold and skulls.
The game runs on a 5x5 grid with 259 ways, where wins pay left to right on adjacent reels and each matching symbol can sit on the same row or step 1 row up or down from the last one.
The Red Gem Rat symbol leads the paytable with 3x for 5-of-a-kind, while the Purple, Green and Blue Gem Rats trail behind at 1.5x, 1x and 0.75x, respectively.
On the lower end, the A and K pay 0.6x, the Q pays 0.5x, and the J and 10 scrape together 0.3x each.
The Wild covers for everything except the Scatter and pays 3x for 5-of-a-kind on its own. It’s possible for you to land up to 3 of them on a single reel.
Any Wild can show up carrying a random multiplier from 1x to 100x that applies to every win it's part of, and when several Wilds share a win, their multipliers add together.
The Rat King Wild only ever lands on reel 3, where it covers for everything except the Scatter and can bring a bigger random multiplier of 2x to 500x.
Looking at the stats, you get a 96.52% RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate., a medium volatility rate, a 15,000x max multiplier, and a $330,000 max win. The game doesn't accept Japanese yen.
Features
RAT KING WILD
Every Rat King Wild comes in 1 of 4 gem versions, and each one plays a different trick. The Red Gem Rat King stretches to fill the whole reel on any spin with a win, then adds +1x to its multiplier for every Red Gem Rat symbol on the screen.
The Purple Gem Rat King soaks up the multipliers of every normal Wild on the screen and adds them to its own. The Green Gem Rat King works the other way around, handing its multiplier out to each normal Wild instead.
The Blue Gem Rat King gives the lowest-paying Gem Rat a promotion, turning every Blue Gem Rat symbol on the screen into a normal Wild with a random multiplier.
FREE SPINS
Hit 3, 4 or 5 Scatters to trigger Free Spins in the Blood Ritual, Blood Pact or Blood Lust variant, respectively. Each one starts with 10 Free Spins, and 3 or more Scatters during the round add 5 more.
The round runs on its own special reels.
Blood Ritual
Blood Ritual plays just like the base game, with one upgrade: every Wild that lands is guaranteed a multiplier of at least 2x.
Blood Pact
A Rat King Wild moves into the middle cell of the grid and stays put for the whole round. It picks up a random gem on every Free Spin, and any multiplier it gains sticks around until the round ends.
Blood Lust
This time the Rat King Wild takes over the entire middle reel and holds it for the whole round. It still gets a random gem on every Free Spin, and every multiplier added to it stays until the round is over.
BUY BONUS AND ANTE BET
The Buy Bonus offers 2 different options, Free Spins for 100x or Super Free Spins for 500x, with the pricier one securing the Blood Lust variant.
Ante BetAn Ante Bet is an option that costs a percentage of your bet but increases your chances of landing triggering symbols that initiate a feature. 1 costs 2.5x per spin and makes Free Spins 4x more likely to trigger.
Ante BetAn Ante Bet is an option that costs a percentage of your bet but increases your chances of landing triggering symbols that initiate a feature. 2 goes further, charging 5x per spin, boosting your Free Spins chance, and turning every round you trigger into Blood Lust.
Performance
I put the game through a long session, and the Rat King held court the whole time without a single stall, freeze or stutter.
Maximum Win
The $330,000 max win comes from landing the 15,000x max multiplier on a $22 top bet. If that's more than you'd like to drop on a single spin, you can bet as low as $0.20.
Conclusion
The paytable is mostly there for show, since the best regular symbol tops out at 3x for 5-of-a-kind and every win worth mentioning leans on Wild multipliers.
Get a 25x Wild and a 50x Wild into the same win and it gets a 75x multiplier, which is the kind of math you're actually spinning for.
Reaching the max multiplier needs a screen crawling with Wilds carrying fat multipliers, plus the Rat King Wild's gems stacking more on top, and that's a rare night in the crypt rather than a regular one.
A full 5x5 grid would normally give you 3,125 ways, so by my math the 259 here are about 8% of that, which means connecting a win takes more work than the board lets on.
The RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate. makes the slot a longer-session game, so you can settle in for a while. What did surprise me is how high the max multiplier climbs for a medium-volatility game, well past where that bracket normally tops out, and that tilts the risk and reward your way.
Of the 2 Buy Bonus options, the cheaper Free Spins buy is the one to click, because paying several times as much just to guarantee Blood Lust is a steep markup.
Ante BetAn Ante Bet is an option that costs a percentage of your bet but increases your chances of landing triggering symbols that initiate a feature. 1 is the smart toggle, since its extra cost buys a much better shot at Free Spins. Ante BetAn Ante Bet is an option that costs a percentage of your bet but increases your chances of landing triggering symbols that initiate a feature. 2 doubles that price just to lock in Blood Lust, so leave it switched off.
Medium-volatility players hunting one monster multiplier are exactly who the rats were waiting for. Anyone after steady little line wins should skip the slot, since the paytable pays peanuts and the real money sits in the Wilds.
Slot Details
Game Provider: Pragmatic Play
Game Type: Video Slots
PaylinesPaylines are preset lines that run across the reels, and when you land matching symbols on them, that will result in a payout. The more paylines, the more ways you can win, but also the higher your bet per spin.: 259
RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate.: 96.52%
Volatility RateSlot games can have low, medium, high, or extremely high volatility rates (or a combination thereof).
The less volatile the game, the more often it should pay out, but the lower the amount, the less the payout, as this is in keeping with the risk you’re taking. Volatility rate should be considered in conjunction with a game’s RTP.: Medium
Bonus Round: No
Progressive: No
Free Rounds: Free Spins
Max Multiplier: 15,000x
Max Win: $330,000
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