Best Mobile Slots with Bonus Rounds 


Best Mobile Slots with Bonus Rounds 


Impressive bonus rounds await you in these famous mobile slots.

Apart from forming a winning combination and looking at your balance gradually increasing spin after spin, there is nothing more satisfying that unlocking a bonus feature or starting a session of Free Spins – especially if the slot developer was generous enough to multiple the wins during the special features. Fortunately for us, the software providers no longer stop at Free Spins, and you will often find a mobile slot with an array of bonus features, relevant to the slot theme or completely original and unexpected, which are, of course, the best kind. Nowadays, surprising the players and keeping them interested is not an easy thing to achieve, but the mobile slots listed below have succeeded in delivering the crucial elements of an optimal gaming product – engaging bonus features, functional and visually appealing design and fair payouts. 

Game of Thrones

Keeping the fans of such an iconic TV show happy is far from being an easy task, however, Microgaming bravely accepted the challenge and managed to find a perfect balance between fun and profit. With the betting range of $0.60 to $6.00, GOT slot offers 243 ways to win and a total hypothetical payout of 121,000 coins. 

The familiar sounds of cello in the background will immediately send shivers down your spine, but just wait till you unlock the bonus features!  Only two of the Throne symbols anywhere on the reels are enough to award cash prizes (which will depend on the bet amount). For a combination of 3 Throne icons, the player will be awarded Free Spins that can be re-triggered if more of the same symbols land while the originally triggered session is in progress. What makes this bonus feature even more exciting is the fact that the player decides how many extra spins will be unlocked by selecting one of the four banners: Baratheon, Lannister, Stark and Targaryan; in addition to the different number of spins, each of the houses comes with their own multiplying level and a corresponding stacked symbol. 

The House of Baratheon is the most generous when multipliers are concerned and by opting for this banner, the player receives 8 Free Spins + x5 multiplier. The stacked icon featured here is the 3xStag symbol. Choosing Lannisters will trigger 10 spins with x4 multiplier and 4-symbol Lion stack, while the House of Stark activates 14 spins with 5-symbol Wolf stack, multiplying the bet by x3. Targaryens have the highest number of Free Spins (18) in combination with the 5-symbol Dragon stacked icon and the lowest bet multiplier – only x2. 

This is not the end of the Game of Thrones Bonus features list. As the slot progresses, the player will travel to different locations on the map, with each stage of the journey offering an opportunity to increase the balance with a single flip of a coin. 

Asgardian Stones

Rumor has it that Asgardian Stones by NetEnt are already dangerously close to becoming one of the best slots of 2018. One look at the graphics and the bonus features will be enough for anyone to understand why, since this slot truly does have a lot going for it. 

For starters, the reels do not have the conventional spinning structure and instead, the symbols are falling down, creating a cascading effect. After a winning combination is formed, the relevant icons will be removed from the screen and an Avalanche will start, crashing the top symbols down onto the empty spaces. The feature will last up until the last winning string is formed and all the wins generated during the Avalanche feature will be added to the regular bet line payouts. 

Each of the icons (apart from the Wild icon) have their Colossal counterpart which can appear in both the main game and during the Free Spins mode. These icons can be displayed in full or only in fragments, and if they are a part of the winning combination, the entire Colossal icon will explode together with the rest of the symbols included in the string. 

When the first Avalanche is finalized, Colossal Crush Feature can be initiated, crushing all the icons underneath the huge 3×3 symbol block that falls down one row at a time. Every destroyed row awards an extra multiplier, increasing the player’s bet up to 4 times. 

Bonus Wheel is another block of symbols that can appear during the Free Spins or in the base game, landing on the last three reels, partially or in full view. The Wheel will spin until the Avalanche mode is completed and the player can be awarded additional spins, coin wins or one of each.  

Thunderstruck II

The popularity of Microgaming’s Thunderstruck II seems to be increasing by the minute, ever since it was first launched in 2010. The reason is probably the amazing bonus feature offer, with four different modes of Free Spins that this game introduces.

Every time you spin the reels, Wildstorm feature can be randomly triggered, turning one or all five reels Wild. Free Spins will not be triggered while Wildstorm feature is active but once finalized, landing at least 3 Bonus icons will start The Great Hall of Spins. 

On the initial entry in The Great Hall of Spins, the player will unlock Valkyrie Mode and launch 10 re-triggerable Free Spins with x5 multiplier. On the 5th activation of the bonus round, Loki Mode will bring 15 extra spins in combination with the Wild Magic feature which can transform random symbols into Wilds. Odin Mode will start on the 10th activation of Free Spins, initiating 20 bonus spins and x2, x3, and x6 multipliers, generated by Odin’s ravens. Triggering the extra spins for the 15th time will grant entrance to the Thor Mode, setting in motion 25 spins together with Rolling Reels with x2 to x5 multiplier. 

Thunderstruck also introduces a unique Paytable Achievements feature that records and keeps track of all the winnings throughout the game, both in the base mode and the bonus features. 

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