Inside an online slot: reels, features and the draw

One draw, then the pictures

When you press spin, the game asks a random number generator for an outcome and shows it as symbols. The reels are the display. They are not a physical drum slowing down in a way that you can time. The result is fixed when the draw is made, even if the animation takes a second.

Paylines, ways and clusters

Older games pay on lines that run across the reels. “Ways” games pay when matching symbols land on adjacent reels, regardless of a line. Cluster games look for groups. The rule is in the paytable. A larger number of ways is not automatically a kinder game — the price is still the RTP and the stake.

The long-run price is explained in RTP explained.

Features are still the same game

Free spins, multipliers and pick bonuses are extra rules inside the paytable. They are often where a large share of the theoretical return sits, which is why a base game can feel quiet. Buying the feature, if it is offered, pays a published price for a chance to enter that mode. It is not a discount on the edge.

Stake, currency and the information panel

Set the stake in pounds at a level that survives more than a handful of spins if you want a session, or accept that a higher stake shortens it. Open the information panel for the RTP of this version, the feature rules and any gamble option. A gamble button that doubles or nothing is a separate bet with its own odds — usually close to even, and easy to repeat until the prize is gone.

How uneven the prizes feel is volatility, not a second RTP.

Frequently asked questions