Slots have the greatest number of fans among casino visitors. There are thousands of these online casino games at, which makes it hard to select the right one. To choose your slot, consider these criteria.


If you determine the best online casino games that go to the “Favorites” section, carefully thought-out game designers will take first places.

Visual elements include symbols, reels, where they are located, and the background design. Bright and well-designed graphics, combined with the themes of slots, are the key to a successful project. The long-term popularity of the slot allows you to call it the best among other online casino games.

Game Features

Non-game moments – graphics and themes – may not be significant to all players, but all beginners and regular casino visitors want to know about the features increasing the chances of winning.

Slots have long gone from the standard 3 reels and 5 paylines. The best online casino games offer a variety of bonus rounds and extra opportunities for winning combinations:

● Reel-expanding Wilds, each of which substitutes for any other symbol in the payline;

● Multi-level game with an increase in the amount of winnings on each of them;

● Additional games such as “guess the door / chest / playing card” to multiply the amount won on a spin;

● Unusual game fields 8×3, 5×5, 10×10;

● Payout lines not only from left to right but also from right to left, as well as diagonal, vertical, etc;

● Number of paylines (from 20, 40, 50 to 243, 888, 1024).

New game options and bonuses appear all the time. Some casino software providers, pretending to be the best, create a complete package of special features that improve the quality of the game, its mobility, speed, and other aspects. The ability to change the volatility, power-saving mode, the ability to play with a double display, and reduce data consumption are a few offers.

RTP And Volatility

A slot can offer you winnings of 100, 1000 or even 10,000 times your initial bet. Tempting, but do you know how much you have to play to get such winnings?

Return to Player (RTP) and volatility handle how often you win. Return percentage shows what percentage of all bets placed by the player will return to him. The higher this figure is in the game, the more often you win. A low RTP means less frequent winnings, but this is usually compensated for by their larger size.

Volatility determines the risk of playing a particular slot. Low volatility allows small winnings, but often, and high ones let big winnings, which fall out less often.

Second Parts And Series Of Slots

It happens that popular slots get boring, so the developers create second parts, prequels, and sequels of the game. The presence of several online casino games in the series and the restart of old games with modifications of game properties in the absolute majority of cases says about their success. Simply put, multiple games are an indicator of quality.

An undeniable example is Castle Builder by Rabcat. The game’s innovation, taking it to the next level, has brought it tremendous popularity among players. You can play Castle Builder as a video game, not just spinning the reels, but performing special actions, earning rewards, and building castles. The success of the first part prompted the provider to release the second part, called Castle Builder II, where the construction of castles is available in infinite mode.

Randomness Of The Results

The randomness of combinations is a must for slots. All games, which you can find at a reliable online casino, are tested by a random number generator, conducted by independent experts.