How to Play Slots at the Online Casino

Any novice player will certainly be interested to know how modern slot machines work. However, to choose only the best slot machines, they should better try free slots first.

This option is not provided in all casinos. Online casino, being a new playing resource, which is interested in attracting more gamers to their site, offers its registered users to try the Demo mode of most games. The exclusion here are the games with real dealer: demo mode here is not offered.

Playing free slots in Online Casino

After activation of a deposit bonus in online casino (or without using it), gamers can try free slots to understand if they like them or not. Demo versions help players in making their choice.

While choosing the slots (their variety is the greatest casino advantage — here, gamers can play even crypto games), the beginners must start to distinguish “good” and “not good” slots. The first ones give players more chances to win. These features to pay attention to are payout and dispersion.

Payout percentage

The first characteristic that a player needs to pay attention to when choosing free online slots is the payout percentage. The payout is a certain part of the total amount of the bets in the slot, which is guaranteed to be returned to the players in the form of winnings. The higher the payout is — the better.

The payout percentage for each online slot is different: the most generous slots offer players 95–98% payout, but there are slots with RTP below 90%. In online casino, most games have RTP of 95% and over.


One of the most important characteristics of free slots 777 and some other slots is dispersion. If the payout percentage is essentially a mathematical expectation, then the dispersion indicates the degree of deviation from the mathematical expectation.

This is the degree of risk when playing in one or another online slot. The lower the dispersion of the gaming machine, the more often it will delight players in small prizes. A highly dispersed slot is the opposite. If somebody gets the jackpot, then the next one will happen not soon.

How to determine slots dispersion?

All online slots can be divided into three categories: free slots with low, medium and high dispersion. The most popular at the moment are gaming machines with medium one, as they represent an intermediate option between low-dispersed and high-dispersed slots.

However, manufacturers never specify the value of the dispersion — the gamer can do it in online casino, using some “prompts”.


It is the easiest and most effective way to determine the dispersion. If the maximum payout ratio does not exceed the threshold of an increase in the rate of 5,000 times — the slot has low dispersion, if it is up to x10, 000 — it is the medium, above x10,000 — it is high dispersion slot.

The presence of Wild, Scatter and other bonus symbols most often indicates a medium and low dispersion.

Demo mode

Free casino lets its gamblers play free slots. Using the Demo mode, the player can “evaluate” the slot. If during, for example, half an hour, the gaming machine has given several winning combinations with a low and average payout ratio, then this is a slot emulator with low or medium dispersion.

If during the entire testing period the emulator has given only one or two expensive combinations, it can be a highly dispersed slot. However, this method is not always very reliable.

Progressive jackpots

Only slots with high dispersion offer progressive jackpots.

If a player likes to take big risks, then a progressive jackpot slot machine is what they need.

Top-rated software providers and their slots

When a person is looking for free slots no download variants, it is better to pay attention also not only to the gameplay and storyline (which are very important, anywhere) but to the provider. Only the most-trusted casinos work with famous companies dealing with the games for online casinos.

It is good to remember the “direction” of the company and the types of free slots it provides. Microgaming, NetEnt, Playtech, NetEnt are the most famous ones, but the others create cool games also.

Types of games of the companies

Each company dealing with gaming software has its special features.

  1. Microgaming. One of the advantages here is the huge number of jackpot games. However, it is not so easy to win the biggest prize.
  2. NetEnt. There are over 200 unique slots in the brand’s bank, most of which include original bonuses and features. Jackpot slots (for example, Divine Fortune) with large prizes are also presented;
  3. Novomatic. They are known for very high-interest payouts — about 96-98%. However, this provider is not available in all casinos.
  4. Playtech. The best slots from the manufacturer are based on comics or movies, and also include bonus offers.
  5. Endorphina. These slot machines are attractive with a variety of bonuses and jackpots. It is beneficial to play here using 1 payline.
  6. Yggdrasil Gaming. The company has released not many games yet. Its developers create free slots with progressive jackpots, table games, Keno, lotteries, scratch games, and slots.
  7. Play’n Go. The game range of the company consists of table and card games (Roulette, various types of Poker and Blackjack, Baccarat, etc.). Video poker, classic and modern slot machines, including slots with progressive jackpots, arcade games, lotteries, and scratch cards are also presented.
  8. Betsoft. This is one of the first companies to produce software for virtual casinos, which brought to life the ideas of creating absolutely new games with incredible 3D graphics.
  9. ELK. Elk Studios introduced a unique feature called “Betting Strategy”. This allows creating a predefined betting strategy for the players, which can automatically change the bet levels depending on a set of predefined rules. The player can turn it off if the gamer prefers to play without it.

When a gambler considers all these things about gaming machines and tries free slots in online free casino, they will have much more chances to win, and they will start doing it often.

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