Best Slot Machines With Bonus Games 2021

Best Slot Machines With Bonus Games

Slots are among the most popular online casino games - in fact, it is safe to say that these are the most popular games at all. Slot games are fun and colourful, often featuring beautiful designs, stunning graphics, and impressive themes. Moreover, bonus slot machines are easy to learn, because no previous knowledge or skill is needed - only knowledge of the rules. 

No wonder the best slot machine games are in such a huge demand. Many software providers create slot games on a regular basis, because players want more of them. However, the most profitable and well-paying slots games with bonus usually offer perks like spins, and other bonus features, and more experienced gamblers look for games specifically with bonuses. 

CasinosHunter is aware of that demand, and this is why we have collected the list of the best online casino slot games with bonus features - let alone, of course, stunning graphics and amazing RTP rates! Take advantage of this list and choose your next most favourite best casino slot games to have fun and win real money!

The Slotfather Part II (BetSoft)

Released in 2017, The Slotfather Part II is a 5 reels game with various paylines, and the RTP rate of 96.6%. This beautifully designed slot, compatible with both desktop and mobile, features an amazingly entertaining theme of the mafia, and as it can be seen from the RTP rate, the game is rather well-paying. 

However, the best thing about The Slotfather Part II is the bonus features which include Free Spins with double scatter feature, Respins with sticky winning symbols, and the Big Boss Bonus Round bringing additional wins. Almost any of the BetSoft casinos offers this game, it can be tried out in Demo mode first, and then, all the bonus games can be taken advantage of!

Book Of Ra Deluxe (Novomatic)

This is 10 lines, 5 reels slot favorite featuring the extremely popular Ancient Egypt theme. The RTP rate is 94.26%. It is fun to play both in Demo mode and in real money mode, but only when playing online casinos for real money, the gambler can really enjoy all the Bonus features - the Free Spins, Scatters, Expanding symbols, and the Risk game. Each feature, in its turn, triggers additional bonuses. 

Despite the fact that there are not that many purely Novomatic casinos, the Book of Ra Deluxe slot is represented on many casino sites. It is currently one of the most popular Egyptian-themes best slot machines to play and is definitely worth trying out.

Rocky (Playtech)

The Rocky slot features the theme of boxing in general, and also offers a reference to the legendary Rocky movie, which adds even more to the attractiveness of the game. Playtech did a good job creating an engaging best slot machine one cannot stand trying out, but the tech specs and features are even better. Rocky has the RTP rate of 95.02%. 

The Bonus features include the Rocky feature that multiplies the bet outcome instantly, the Free Spins that vary from 15 to 25 and also trigger an additional multiplier, and the Knockout Bonus that triggers the movie footage and cash prizes. Look for Rocky slot in Playtech casinos and try to hit the Knockout Bonus!

Jurassic Park (Microgaming)

This stunning branded slot by Microgaming has the RTP rate of 96.67%. Microgaming, among other characteristics as a software provider, is famous for making exclusive branded slot games, and Jurassic Park is one of the games that has been a hit since it was released. 

The game has five different bonus symbols that trigger five different Free Spins feature modes. Each mode offers 12 Free Spins with an additional bonus feature - wild reels, multiplier, running wilds, split wilds, winnings wilds.

After the Free Spins feature was played 25 times, the game unlocks a special bonus where the bonus feature to be triggered is chosen by the player. Look for the Jurassic Park slot in Microgaming casinos to have all the fun!

Guns ‘N Roses (NetEnt)

This is another nostalgic themed slot featuring classic Guns N’ Roses design, this time by NetEnt. This game has a high RTP rate - 96.98%, which is very advantageous. The game has several bonus features that retrigger additional perks for the gambler. The player can hit different bonuses when spinning the bonus wheel.

The Encore Free Spins feature gives 10 spins with stacked wilds. The Crowd Pleaser bonus has three levels, and the player can pick and win on each level. And eventually, Legend spins and multipliers bring even bigger profits to the lucky gambler. Most NetEnt casinos offer this slot, so many players can try their luck with it.

Game of Thrones (Microgaming)

One of the most famous best slot machines by Microgaming, the Game of Thrones, is a beautifully made game that is not only amazingly satisfying in both visual and musical terms, and features all the branded images for more engagement. The Game of Thrones has a varying (depending on the casino site) RTP rate of 95%-96%, and a bunch of slot machine bonus features.

The bonuses include from 8 to 18 Free Spins, random prize combinations, and bonuses that can be chosen by the player after they are triggered. Moreover, The Game of Thrones has a Jackpot feature, which is actually rare in the best slot machines, and can bring impressive wins if the player is lucky. Try The Game of Thrones for free by clicking the button above.

The Rift (Thunderkick)

This 5 reels and 17 paylines video slot by Thunderkick offers advantageous wins due to its high RTP rate of 96,3%. It was released back in 2016, but it is still one of the most favourite best slots to play in Thunderkick casinos.

The Rift has many bonus features - from classic scatters and wilds, to spins with respin option. One of the best things about The Rift by Thunderkick is that the Free Spins in this slot are multilevel, and each level triggers additional perks. The Rift is also visually attractive and truly fun to play.

Planet of the Apes (NetEnt)

Another branded slot by NetEnt, Planet of the Apes features 96.33% RTP percentage. Besides the attractive and engaging theme based on the two legendary Planet of the Apes movies, the slot has plenty of bonus features that keep the player entertained and intrigued. One of the outstanding characteristics of the game is that it has two sets of reels - unusually! - that are located side by side.

This approach allows all of the unimaginable combinations of winning symbols that trigger bonuses. The bonuses include Free Spins, multipliers, stacked wilds, and dual symbols that repeat each other on both sets of reels. Try the Planet of the Apes slot in Demo mode to see how amazing it is!

Book of Dead (Play’n GO)

Book of Dead by Play’n GO is another slot featuring the Ancient Egypt theme. This is already one of the classic slots favorite with beautiful sophisticated graphics. It has 5 reels, 3 rows, 10 paylines, and high volatility. The RTP rate for Book of Dead is 96%.

Book of Dead is literally packed with bonus games. These include Sacred Chamber free spins, Multiplier that varies from x200 to x500 maximum, depending on the symbol that lands, expanding wilds, etc. Book of Dead should definitely be tried out to see all the amazing perks it offers to casino gamblers. The slot can be found in any of the Play’n GO casinos.

Avalon II (Microgaming)

Avalon II is a 5 reel video slot with somewhat classic 243 paylines for frequent winning. The RTP rate is 95.92%. This is a popular video slot with high quality graphics, but the most attractive thing about it is a dozen bonus features.

The bonus games in Avalon II include Free Spins with the option to choose wilds, match and win games, roll the dice games, pick and win games with cash prizes, trailing wilds, and some more. Being packed with bonuses, this slot requires time to reveal all its perks. Play Avalon II in demo or for real money.

Can I Try These Slots For Free?

Yes, all these slot games are available in Demo mode (also called Play for Fun mode, or Practice mode). You cannot win real cash when playing them for free, but Demo mode enables the player to learn the rules, get used to the mechanics of the game, and see how often they can hit bonus features. All the slots with bonus games described above can be played for free even without registration on this page.

Where To Play For Real Money?

To play the slots with bonus games described above, for real money, it is important to choose reliable online casinos that keep the users’ data safe, and pay the winnings out to their customers. To opt for the most reputable casino site, check out the list of recommended casinos with the best paying slot games.