Today slots are becoming more and more popular among active users. They have long been considered not just as a hobby but a reliable source of income that can be relevant in the long run. Progressive games have a fairly high RTP rate (over 96%) or offer generous bonuses. This means that with proper budget planning, they can well bring in stable income.

The best free slots are usually dedicated to different topics: adventures, pirates, ancient history, treasure hunting. As a rule, new users choose fruits-themed games because they have very simple rules. Understandable symbols help to tune in to the gameplay and to focus on achieving the desired result.

Now almost all top slots can be played via both a personal computer and a mobile device. You just need the stable and uninterrupted Internet connection to always enjoy your favourite games.

When choosing the best online slots, it’s also important to study the RTP rate. This indicator demonstrates the chances of a return on your investments. Many slots now have good bonuses. These are various additional rewards that are given for a user’s activity. For example, the most requested reward is a free spin. This is a chance for extra winnings that shouldn’t be missed.

Best Casino Slots
Today slots are becoming more and more popular among active users

Special features of modern slots

It is also important to consider the chances of hitting the jackpot. Today top slots focus on this additional feature. It assumes that when you get 3 or more wilds or scatters on the reels, you will receive a particularly generous reward. It can be several thousand times the size of the initial bet.

For users who have started playing relatively recently, we can recommend slots with a small number of reels and lines. It will be easier to understand them and to get used to all rules and conditions.

Among the latest trends is a large number of pay lines. This means that players will have lots of chances to achieve the coveted result.

The most popular casino slots in 2021

It’s not so easy to choose the best free casino games, since the variety of offers is great. Therefore, each user will be able to find exactly what suits their interests.

Talking about the most popular developments, the following ones can be emphasized:

  1. Wolf Gold. Quite a good development by the Pragmatic Play company. It stands out for its high-quality interface, dynamic plot, and good RTP rate of 96.01%. The main advantage of this game is a huge jackpot. Its maximum size is up to $125,000. Therefore, you can not only enjoy its high-quality interface but also significantly increase your assets.
  2. Gonzo's Quest. Even though the slot was released a long time ago and has an average RTP rate (96%), it remains extremely popular. Users have to search for virtual treasures. Advantages of the development includes the ability to play with a small bank, a huge jackpot, which may exceed the size of the original bet 1850 times, a high-quality design, high chances of winning bonus spins.
  3. Jammin 'Jars. A colourful and stylish slot dedicated to fruits. It stands out for a fairly good RTP rate (96.83%), the chance to win bonus rounds, and free spins. Users are also attracted by its jackpot, which can be 50 times the size of the original bet.
  4. One of the most popular space-themed developments. It stands out for its high-quality interface, extremely simple game conditions (5 reels, 10 lines). Its colourful visuals and dynamic gameplay add excitement to the game. It also has a lot of bonus features, from the jackpot to the ability to make free spins.
  5. Street Fighter II. The sequel to the first part of the game turned out to be even more dynamic and exciting than the original. Its developers focused on the plot and the use of thematic symbols. The slot has a good RTP rate (96.08%), as well as high chances of getting various bonuses.
  6. Mega Moolah. Another old game that was released back in the 2000s but has not lost its significance. The developers have updated its interface, so it looks great even on mobile devices. Its main advantage is huge jackpots, which give players an opportunity to make big money. It was in Mega Moolah that one user managed to hit the biggest jackpot ever.
  7. Book of Ra Deluxe. The sequel to the famous first part turned out to be more convincing and successful. Dive into the world of Ancient Egypt with its treasures and pharaohs. Despite the relatively low RTP rate (only 94.28%), the slot pleases users with its dynamic storyline and a variety of bonuses.
  8. The advantage of this slot is complete freedom of action. Here users can easily set the bet amount. In addition to high-quality graphics, there are quite good chances of winning additional spins and other prizes. The probability of getting a wild or a scatter on the reels is extremely high.
  9. Piggy Riches. NetEnt offers a large selection of slots, but this one is especially in demand. It has an interesting plot, a stylish design, and an opportunity to win free spins — these are its most obvious advantages.
  10. It has 10 paylines and a generous jackpot that's 1,000 times bigger than the original bet. Moreover, users sets its size themselves. Therefore, don’t miss the opportunity to demonstrate your skills and earn money.

These best games online have been presented by the trusted developers. They are adapted for playing via mobile devices. Users will be able to fully focus on the game and on achieving a positive result.

It’s only important to decide on the topic that interests you, as well as to find a slot with a perfect balance of a high RTP rate and an ability to use various bonus features. Game developers regularly please players with the latest novelties, which making money even easier.