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15 Coins from Wazdan isnβt the classic slot youβre used to β and thatβs exactly why it can pull you in straight away. The game runs on 5 reels and 3 rows, but it doesnβt offer any traditional paylines, so forget standard symbol combinations. Instead, everything revolves around one thing β the bonus game, which is the absolute centrepiece here. From the very first spin, you get the feeling youβre playing for more than just small wins. If youβre drawn to unconventional slots that do their own thing, youβll definitely feel at home here.
Every slot machine must be developed by a company that invented, designed and put it into operation. Many players eventually find that they only enjoy playing on machines from specific software provider, so they narrow down their selection by preferred brand.
A high volatility slot. Wins are rare, but can be really big. The game has more pronounced fluctuations and can often go without hitting anything for a long time, suitable for players who like adrenaline, higher risk and work with a larger budget. More about volatility here.
Slot theme and symbols
The theme of 15 Coins follows the modern trend of jackpot slots, where coins, values and bonus symbols take centre stage instead of classic fruit icons. Forget cherries or sevens β you wonβt find any standard symbols on the reels here, which is a key difference compared to most slots. The whole game is built around Bonus symbols, which only really come into play within the bonus feature. In the base game, itβs mainly about collecting them and waiting for the right moment when the main bonus kicks in. A special element is the Cash Infinity symbol, which can appear in the base game and stays locked until the end of the bonus feature. This symbol brings values ranging from x5 to x10 of your stake and can significantly influence how the whole game plays out. The graphics are modern, clean and focused mainly on keeping values and symbols easy to read, which makes sense given the focus of the slot. An interesting point is that the game completely drops the classic concept of paylines and relies purely on the bonus system.
The main pillar of the game is the Hold the Jackpot feature, which activates when you land 5 Bonus symbols on the middle row. Once triggered, the game moves to an expanded 15-position grid, where you collect more Bonus symbols and values. You have 3 respins available, which reset with every new symbol, and the goal is to fill the entire grid. If you manage it, youβll win the GRAND Jackpot worth up to x1000 of your stake.
Theme and symbols 15 Coins
During the bonus game, various types of symbols appear, including MINI, MINOR and MAJOR jackpots, as well as the Collector, which gathers values and multiplies them up to x20. Mystery symbols can transform into other bonus symbols, adding an element of unpredictability. The Chance Level feature lets you increase the chance of triggering the bonus at the cost of a higher stake, while the volatility option gives you control over the style of play. Thereβs also Risk and Bonus Buy, which expand your options for reaching bigger wins.
Bonus Symbols
Throughout the entire game, you wonβt see any of the regular symbols youβre used to from standard slots. You can only win in Hold the Jackpot. All Bonus symbols apply only in the Bonus Game. If you land 5 Bonus symbols on the middle row, youβre guaranteed to trigger the Hold the Jackpot feature.
Cash Infinity Symbol
These symbols appear in the base game and remain on the reels until the end of the Hold the Jackpot Bonus Game. All symbols will be locked in place during the spins. Bonus symbols can award wins ranging from x5 to x10 of your stake.
Hold the Jackpot Feature
Itβs played on 15 reels! All Bonus symbols stay on the reels and, to start with, the feature awards you 3 respins. The feature continues until the respins run out or until Bonus symbols appear on the reels. With Cash symbols, you can win between x1βx5. During the feature, MINI, MINOR and MAJOR symbols may appear.
The Collector will also collect Cash and Cash Infinity values and randomly multiply the stake by x1βx20.
Mystery symbols can transform into another Bonus symbol (including Cash Infinity)!. Jackpot Mystery symbols change into MINI, MINOR, MAJOR. If you manage to spin 15 Bonus symbols of any type, youβll win the GRAND Jackpot worth x1000 your stake.
Chance Level
You can trigger this feature during the base game too and choose one of three levels:
Level 1 with an x2 multiplier β your base stake is multiplied by x2, giving you a 2x higher chance of activating the Hold the Jackpot Bonus Game.
Level 2 with an x3 multiplier (same rules, just with x3)
Level 3 with an x5 multiplier (same rules, just with x5)
The Chance Level feature doesnβt affect the paytable, which means symbol values stay the same.
Volatility Selection
A unique feature of Wazdan slots is the volatility selection! It depends on your playing style and preferences. You can choose between low, medium and high volatility. Volatility determines the frequency and size of wins. With low and medium volatility, youβll get more wins, but theyβll be relatively small. With high volatility, you can hit so-called BIG WINs!
Risk Feature
Once you land a winning spin, you have the chance to use your win in the Risk feature. Youβll choose between two symbols. After your selection, a draw will determine the symbol. After each round, you can either leave the feature or push on for 7 draws. But be careful β you can lose your entire win!
Bonus Buy
Using the basket button, you can buy the Hold the Jackpot Bonus Game and activate it at the Extreme and Double Extreme Volatility levels, which are known for bigger wins than other Volatility Levels.
Our rating of the game
15 Coins
15 Coins is a noticeably different slot that puts everything on one card β the bonus game β and it pulls it off, but not without compromises. The biggest strength lies in Hold the Jackpot, where Cash Infinity, Collector and Mystery symbols combine to create tense moments with the potential for big wins. On the other hand, the base game can feel a bit empty, because without triggering the bonus youβre not really winning in the classic way. Features like Chance Level or Bonus Buy give you more control, but they also increase the cost of play. Overall, itβs a slot that will either win you over with how different it is, or it wonβt suit you because of the lack of traditional elements.
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
Use the bonus spins offer at PlayOJO to get 50 FS on the Big Bass Bonanza slot. The minimum required deposit to activate the bonus is Β£10 and your spins can be played at the Β£0.1 chip size. Note that the bonus is not available for players from N.I. Irregular play may lead to the removal of rewards. Gambleaware.org. All the OJO Rewards and Game Play policies apply.
Bingo Bonus: First deposit only. Deposit Β£10 or more to claim. 50 free spins on Big Bass Bonanza slot. 500 free bingo tickets when you spend Β£10 on bingo, valid once per player. Free tickets valid on selected games up to Β£0.10 each, see bingo rooms for info. Excludes players in N.I. Irregular play may lead to removal of reward. OJOβs Rewards and Game Play policy applies.
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
11 FS – New players only. 18+. Min. deposit Β£10. Account ballance is withdrawable at any time. Upon withdrawal, any remaining bonus spins are forfeited. 7 days to activate the spins. Bonus spins will expire 24 hours after activation. Full T&C Apply.
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The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
18+. New Players Only. Β£10 minimum deposit. 100% up to a maximum of Β£200. The welcome offer can be activated only once. 30 calendar days to activate. 35x wagering. 60 calendar days from activation to complete wagering. The 100% bonus up to Β£200 will be paid out in 10% increments to your Main Account balance. Bonus balance is not payable. Any remaining bonus balance will be forfeited upon withdrawal. T&Cs Apply. GambleAware.org
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
18+ New players only. Min dep. Β£20. Valid for 14 days from registration. Welcome Offer: Earn points for cash bets made to unlock wager-free spins on selected games: 2 points for every Β£10 bet on Slots, 1 point for every Β£10 bet on Video Poker and qualifying Side Bets. 0.25 points for every Β£10 bet on Roulette games. Maximum accumulation of redeemable points is limited to 2000. You will receive spins based on the number of points earned:10, 20, 35, 50 points = 5 spins, 70 points = 1 Superspin, 100 points = 10 spins, 200 points = 5 Superspins, 300 points = 4 Superspins, 500 points = 6 Superspins. Additionally you will earn an extra 120 Spins for every 375 points earned above the 500-point threshold, until you reach a total of 2000 points. Spins credited the next day. Spin winnings credited as cash funds and capped at Β£100 per batch of spins. Cash funds are immediately withdrawable. Wager-free spins must be used within 72 hours. Terms Apply. GambleAware.org.
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
18+.New UK Customers only. Deposit and stake Β£20. Debit Card only (exclusions apply). 50 free spins credited daily over first 3 days, 24 hours apart. 150 free spins total. Spin value locked at Β£0.1 per spin. No wagering requirement on the winnings of the free spins. Spins expire after 7 days. Betway reserves the right to terminate the bonus in case players do not stick with the T&Cs. BeGambleaware.org
Warning: Play and gamble responsibly | Gambling may be addictive 18+ | Underage gambling is an offence | When the fun stops, stop.
Use the bonus spins offer at PlayOJO to get 50 FS on the Big Bass Bonanza slot. The minimum required deposit to activate the bonus is Β£10 and your spins can be played at the Β£0.1 chip size. Note that the bonus is not available for players from N.I. Irregular play may lead to the removal of rewards. Gambleaware.org. All the OJO Rewards and Game Play policies apply.
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