The Most Played Online Casino Slots for 2021 - Casinovator
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Posted on: 08 November, 2021

The Most Played Online Casino Slots for 2021

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If you combine online casino games with other forms of media such as movies, television shows, music, and videos, you have the makings of a factual entertainment channel. As a starting point, we'll look at some of the most popular slot machines with the best slots in 2021 (some perhaps new slots 2021), including their features, themes, and technical specifications.

Online slots are among the most popular games because they combine simple rules, outstanding graphics, unique themes, and high-octane thrills as players compete for cash prizes. There are a handful of slots that are particularly popular among players, despite hundreds of platforms offering thousands of titles.

There are many different slot machines to choose from, each with its own set of features, betting limits, and themes to keep things interesting. However, players worldwide are more interested in things like betting lines, winning odds, and prizes recently awarded in many of the most popular types of slots, despite the fact that the plot, symbols, and graphics are essential in many of the games.

Best slots 2021 and the most played

In recent years, the world of gambling and sports betting has experienced steady growth, as evidenced by billion-dollar transactions and acquisitions that demonstrate the importance of the sector's major companies in Europe and other parts of the world. Slots are an essential part of the online casino landscape, and they are also one of the most popular destinations for users. Red tiger gaming slots and many more are among the best slots 2021. Check which other ones are the highest RTP slots 2021.

Mega Moolah

It's the most well-known progressive jackpot slot machine in online casinos, and for good reason. It has given away millions of dollars in prizes, it holds the Guinness World Record for the most significant win in an online casino game, and its jackpot is growing at an impressive rate each and every day.


Fans of online slots all over the world consider Starburst (which came out in 2012) to be a classic. There are 10 fixed paylines in this science fiction-themed NetEnt 5-reel, 3-row slot game, as well as expanding wilds on the three middle reels that can help you earn more re-spins. In addition, there is an additional respin awarded each time a wild symbol appears on one of the reels. When all three reels are covered in wild symbols, the sequence continues until another wild symbol appears, or you fail to trigger another wild symbol.

With a return to player percentage of 96.09 percent and plenty of excitement, Starburst is a simple slot game that keeps players coming back for more. High-quality graphics combined with classic symbols and a retro arcade-style experience are used to entice players while also engaging them due to the incredible $50,000 slot machine win potential.

Book of Ra Deluxe

A new “Deluxe” format has been added to the historic slot, which was previously available in land-based casinos in many countries before making the transition to digital casinos. The Deluxe format offers prizes of up to 5,000 times the amount wagered, and it is available in many countries. The same Ancient Egypt theme as the original slot has a higher return to player (RTP) and a straightforward game mode with eye-catching potential winnings. No doubt why this is on the list of the best slots 2021.

Big Bass Bonanza

Anglers, bass, bonus rounds, and the possibility of winning up to 2100 times the amount of money wagered make this online slot a popular choice among players. In addition to beautiful graphics, a straightforward gameplay experience provides an engaging setting for a diverse range of players.

Mad Mad Monkey

With very low betting limits and numerous winning lines provided by symbols, wilds, and special features such as the 400x win multiplier, it has a winning formula that is hard to beat. All of this is complemented by a lighthearted theme that attracts players searching for high-quality entertainment and the possibility of winning big.

Loot'En Khamun & The Dead Sea Scrolls

Ancient Egypt is a popular theme for online slot machines. The greatness of this civilization has inspired many games, but one, in particular, stands out: Loot'En Khamun. If you activate the free spins on this Party Gaming 5-reel slot machine's 243 pay lines, you could win up to 1,024 ways in total.

Players have the opportunity to win one of 5 distinct jackpots when playing this progressive jackpot slot game: Blitz Cash, Quick Cash, Mega Cash, and Colossal Cash! The return to player (RTP) for Loot'En Khamun & The Dead Sea Scrolls is 95,3%, and the special jackpots increase your chances of winning.

Gonzo's Quest

A three-dimensional slot machine with five reels and twenty pay lines, and symbols that generate winning combinations with an interesting regularity, is based on the Spanish conquistador Gonzalo Pizarro, who is on the hunt for the legendary treasure of El Dorado in the game's theme. Even though there are numerous variables, the story's thread and the possibility of obtaining wins in each spin are not lost.


The online slot game Jumanji is among the Netent slots and is based on the popular film of the same name. We couldn't leave it behind because it totally deserves to be put among the best slots 2021. Things take on a new perspective not only because of stampeding rhinos, marauding monkeys, and unexpected storms. An unusual 3-4-5-4-3 layout gives this 5-reel, jungle-themed slot a unique feel while still maintaining a standard setup. This allows for different numbers of symbols to appear on each reel.

JUMANJI's board game feature combines board gameplay with free spins features, in addition to its unusual reel configuration. This action-packed adventure will excite both movie buffs and slot machine players with 36 paylines and a return to player percentage of 96.3%. Thanks to its wide betting range, with an action-packed odyssey and stunning visual effects, this game is also a fan favorite among players of all bankroll sizes.


This online slot, which was inspired by the Netflix series of the same name, features Pablo Escobar and the DEA agents on the hunt for him as important symbols for forming winning combinations on every spin. This is an excellent choice for a very well-executed game with classic slot elements, critical points for fans of the series, and 243 ways to win.

Goblin's Cave

The Return to Player (RTP) is 99.32 percent, and the volatility is average, making it another of the most well-known video slots in the world that continues to be popular. It is based on the Middle Ages and features a bonus round that distributes prizes throughout the game, making it one of the most sought-after by players. Slot game creators are definitely getting a considerable amount of money after the popularity of this slot grew.

Wheel of Fortune Triple Extreme

There's a slot machine in Las Vegas called Wheel of Fortune Triple Extreme that's named after the popular game show. Fans of the show will want to try their luck on this machine. No matter how little you know about the show, this IGT slot game will keep you entertained for hours while also offering numerous ways to win. The maximum bet on this slot gives you 720 chances to win up to 500,000 coins using the 3-4-5-4-3-reel configuration and the MultiWay Xtra wager system (providing you can afford it.) In addition, assuming you're lucky enough to hit one of two bonus features, you'll get cash prizes from the Mini Wheel Bonus Feature and bonus multipliers to help you win the top prize from the Triple Extreme Spin Bonus.

What are the most played slots in history?

Those were the best slots 2021, but over the years, a few slots have stood out and become increasingly popular.

  • 1429 Uncharted Seas bt Thunderkick
  • Mega Moolah by Microgaming
  • Age of the Gods by Playtech
  • Book of Dead by Play'n GO
  • Immortal Romance by Microgaming
  • Book of Ra by Novomatic
  • Age of Asgardby Yggdrasil
  • Starburst by NetEnt
  • Thunderstruck II by Microgaming
  • Mega Fortune by NetEnt

It is sufficient to take a tour through the most prestigious online casinos to determine the best slots 2021 and which ones are growing their popularity, as it is usually the most played titles that appear in prominent positions in the slots and casino games sections of these establishments. Quality graphics, eye-catching symbols, appropriate sounds, interesting pay lines, special features, and the possibility of getting the biggest casino payout are just a few of the essential characteristics that all of these games have to offer their users.

The Bottom Line

There are several aspects to consider when playing slot machine online casino games. To begin, keep in mind that there's a recurring theme here. From prehistoric civilizations to African safaris to games and fantasy, there is something for everyone in terms of variety. As you'll see in the following section, there are some recurring themes. Additionally, the reported return to player (RTP) of a game can assist players in identifying games that are most likely to pay out; there may also be a jackpot available; and, finally, bonus features can entice players and keep the reels spinning. Realtime gaming slots also are among the most played ones.

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