Bonuses are where it’s at when it comes to online slots, and here, we have selected ten games for you to try where extra rounds can snowball into huge payouts. These are titles that not only can deliver big wins but they supply rewarding gaming experiences through various means. So, explore them if you are tired of wicked bonuses, and want to play games jam-packed with dynamic features where things happen and massive rewards get cashed out.
Fire in the Hole 2
Unleashed in 2024, this Nolimit City mining slot, which is a sequel to the game that introduced the xBomb mechanic, is another extremely high variance spinner from this Swedish provider that has an RTP of 96.07%, a betting range that moves up to $100 per spin, has a five-reel grid whose number of rows expands from three to six, boasting up to 486–46,656-win ways.
The Lucky Wagon Spins in Fire in the Hole 2 gets activated by three to five landed scatters, which begin with two to three active rows and three spins that reset when Coins land. Enhancers on the top row here are Coin values, Multipliers (up to x100), Dynamite (doubling Coins), Beer (reactivating Coins), and Dwarf (collecting all values). The Upgrade crystal on the seventh reel can make features like Dynamite persistent, boosting wins. Collect Chests, activated by Dynamite, gather reel values each spin, amplifying prize potential. This bonus can deliver explosive payouts, contributing to the game’s max win of x65,000.
Chomplings
We have often talked about Print Studios at BTCGOSU as a provider famous for their few dark-themed slots. But, the truth is that they have multiple other type high-end games that engage and excite, and Chomplings, released in October 2023, is for sure one of these, boasting a high variance, an RTP of 96.10%, a betting range that starts at $0.20, concluding at $50 per spin, with action playing out on an 8×8 layout with no fixed paylines. You get a progress bar system in this game where the Chomping Chaos feature, activated via feature bets, guarantees wins while upgrading all gems to premiums. Here, Chomplings move orthogonally, consuming gems. Multiplier Rocks and Instant Prizes, both up to x100, fill the progress bar to pay up to x100, multiplied by the win multiplier.
Know that Multiplier Rocks can double the multiplier, and characters like Gemma (upgrading gems) or Zuck (snorting gems remotely) amplify payouts. These bonuses lead to this alien romp’s maximum win of x20,000.
Sweet Bonanza 1000
We assume that we should not waste too much space telling you about Pragmatic Play’s Sweet Bonanza, as you likely know all about this game. Here, we go into the 1000 version, which has a default RTP of 96.53%, which can range but always comes with a high variance and a max bet of $240.
Sweet Bonanza 1000 is a 6×4 grid slot with the scatter-pay system in play requiring eight or more matching tokens to create wins. The reason this game has the one-thousand label attached to its name is that it has multiplier symbols with values up to x1,000 that appear during tumbles, remaining until the tumbling sequence ends, then combine to boost winning spins. That can be super beneficial, and with that mode, along with the free spin one, you can reach this title’s promised top payout of x25,000.
Sugar Rush 1000
Sugar Rush 1000 is another 1000 take on a famous Pragmatic Play slot, and it hit the web in March 2024. It is similar to Sweet Bonanza 1000, but it has a 7×7 layout and pays out wins for clusters of five or more matching symbols. The free spin bonus here awards up to thirty on-the-house gaming rounds, with multiplier spots beginning at x2, doubling up to x1,024 with repeated explosions.
Chaos Crew 2
Hacksaw Gaming’s Chaos Crew games are ones we have reviewed at BTCGOSU, and this sequel got distributed in September 2023 with a base RTP of 96.27%, accepting bets as high as $100 per spin on its 5×5 symbol setup with nineteen fixed paylines.
The Best of Super Bonus, triggered by four scatters and a Best of Bonus one, runs three Super Bonus rounds, each starting with three spins, resetting when multiplier symbols like Sticky Epic Cranky Cat (up to x20) or Sticky Sketchy Skull (up to x100) land. These lock and boost reel multipliers. Know that the Super Bonus guarantees 7+ multiplier symbols on the first spin, driving toward this title’s max win of x20,000 thanks to its sticky multipliers. Epic Drops in Chaos Crew 2 also do loads to spice up the base game.
Money Train 4
The last, and in the opinion of many, the best of the Money Train games, the fourth installment in the series popped up in casino lobbies in September 2023, with a max bet of only $6 but a max exposure of a mind-bending x150,000, winnable through the renowned Money Cart Bonus where Persistent Collector Payers, Persistent Snipers, and Persistent Necromancers do their thing, creating cascading effects. Armed with top-shelf visuals and a futuristic dystopian theme, this is one of the best Internet spinners ever created. No two ways about it.
Temple Tumble 2
Relax Gaming, the makers of the Money Train slots, are also behind the Temple Tumble ones, with the second one especially drawing interest from gaming fans the world over, chiefly due to its 6×6 grid with tumbling wins, and Dream Drop Jackpot, triggered randomly via a spin with one golden ‘DD’ symbol per reel. When that happens, you get sent to a mini-game with reels of varying heights, landing stone tiles or DD symbols. Filling a reel with DDs awards a progressive jackpot, one of five. The Mega one can yield wins up to $10 million. You also have a free spin round here that supports wins up to x10,045, ones not affected by the mentioned jackpots.
Rosh Immortality Cube
Here is a fairly untalked-about game by GameArt, released in September 2020 with a six-reel grid and the Megaways engine active. In its bonus round, activated by four or more scatters, a sixth reel unlocks via Rosh scatters. The Free Spins Mystery Cube triggers one of three features that double multipliers, sum them up to x100, or clear low ones. These, combined with cascading reels, drive this game’s top prize up to x30,000 in this visually striking medieval fantasy game with wizards and mythical creatures.
Pine of Plinko
We love Print Studios’ woodland-themed Pine of Plinko and its sequel. Distributed through Relax Gaming, this is another slot with a Dream Drop jackpot version. It has a default RTP of 96.48%, high variance, with its action playing out on a 5×3 layout with ten paylines.
The Plinko Bonus awards drops based on scatter numbers, releasing balls that land in gaps valued up to x1,000. Hitting bumpers fills a meter, granting +10 drops at higher levels, where drops release up to 256 balls, for a max bonus win of x10,000.
Big Bad Wolf Megaways
The Big Bad Wolf games have turned out to be a jackpot for Quickspin, as they have all done terrifically in multiple top markets, and the Megaways version, which debuted in September 2021, with its Blowing Down the House Bonus, triggered by 3 Moon Bonus Scatters, is as popular today as it was a few years back. The round in question supplies eleven complimentary reel rotations with a progressive multiplier that grows by one per win, and by collecting moon scatters, you add spins and multipliers to this bonus. Piggy Wilds, or pigs turning wild after tumbles, also help with the max win potential of this game, driving it way up to x30,540.
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