This Is How Online Slots Work

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Slots Online slots calculations

Virtual slot machines have become one of the major pinnacles of online gambling. Soon after virtual gaming appeared in the mid-’90s, the computerized variation of traditional slot machines took no time to attract land-based casino players, converting them into enthused online gamblers. Although online slot has remained popular for more than two decades, some pitfalls still exist that impede the pleasure of a player’s gaming experience.

The software used to operate online slots is rather complex and designed to meet the needs of the diverse virtual slot game demands. Dicelab slot machines can be a good example of a thorough work of software developers. Let’s try to delve into the subtleties of how online slots work.

Random Number Generation

The performance of every online slot depends on a random number generator (RNG), a device that produces a sequence of numbers that cannot be predicted. It generates a random series of digits after a player hits the spin button. These numbers are what determines the outcome of the spins a player makes.

Let’s look a little closer at how this works. Every slot is made up of several reels and symbols as well as paylines, which can be either fixed or not. An RNG randomly selects a number for the symbol, and this number determines the outcome of the spin, including how much a player will win.

RTP: Return to Player

Players get their wagered money back, and the percentage of this payback is called return to player (RTP). Simply put, this parameter tells you the rate of a game’s payout percentage. The higher the percentage, the more the player can win over time. Each online slot displays the average value of the RTP percentages. Normally, the slot’s RTP is provided in the description section so that a player can place their bets based on the given payout percentage. RTP works in such a way that the number of rounds you play increases your chances of reaching the RTP percentage.

Types of Online Slots

The virtual slot industry embodies a great variety of slot games. Each slot game features unique characteristics and streaks, meeting most diverse and specific gaming preferences of players. Let’s dive into the splendor of online slot gaming and take a closer look at each of the slot types.

Online gambling Three rail slot

Three-Reel Slots

These slots are considered classic since the pioneering slot machines had only three reels. They also normally have from one to five paylines. The utmost “flaw” of these slots is their low jackpots, usually reaching up to $1,000. Alternatively, they offer bonus rounds, free spins, and multipliers.

Five-Reel Slots

Online casino Five-reel slot

These are more advanced than 3-reel slot games and feature up to 243 ways to win. The greater number of paylines allows for many more winning combinations. What’s more, 5-reel games usually include the Wild and Scatter symbols that add to a slot’s excitement. As for the paytables, they’re a little more elaborate than those in 3-reel slots.

3D Slots

This is the most state-of-the-art slot variation. 3D slots are proving incredibly appealing to today’s sophisticated players. These top-notch games use 3D-animated graphics which surpass the traditional visual content of other games in terms of the gaming ambience players experience.

Slots I slot game


This slot type is the latest and most advanced novelty in the online slot enterprise. The most striking highlight of such slots is their own storyline that evolves after you spin various combinations. i-Slot games are available on iOS software, which makes them even more modern and hip.

Progressive Slots

Progressive games are the favorite among online slots. All the progressive slot games are similar in that their jackpots are ever-increasing: each time you make a spin, it goes up. In progressive slots, players receive impressive payouts, which sometimes requires placing maximum bets. Let’s check out the most common types of progressive slots that players can come across on virtual gaming platforms.

Standalone Progressives

These “independent” games are not linked to any network of slots. The jackpot won at a standalone progressive slot accumulates only within the slot itself, which applies to both online slots and slot machines at brick-and-mortar casinos. Another peculiarity of standalones is that their jackpot is a lot lower than that of slots that are linked within a network.

RTG slot games Progressive slots

Local Progressives

These games are slightly different from standalones because the value of their jackpot is estimated based on the number of bets placed at a particular casino. The name of this slot type suggests that these games feature jackpots linked to specific casinos.

Wide Area Progressive Slots

Today, these slots are becoming insanely popular due to their super-convenient and “connecting” nature. Here’s how these modern progressive games work: the linkage between slots goes beyond one casino, meaning such slots are linked with each other even if they belong to different online casinos. So if a user gets access to a wide area progressive slot from a casino connected to a progressive jackpot network of a certain provider, then the jackpot won remains the same, and the amount accumulates whether it’s a land-based or online casino.

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