How Slot Paylines Work: Fixed vs. Variable
A payline is a pattern that runs across the reels of an online slot. You’ll win a prize if matching symbols appear on a payline after you spin the reels. Paylines can be horizontal, diagonal, or V-shaped, or they can zigzag across the reels.
We’ll explain how slot paylines work, and we’ll break down the differences between fixed and variable paylines. You’ll learn how paylines compare to ways to win, and we’ll explore whether more paylines mean better odds.
What Is a Payline?
A payline is an invisible pattern that runs across the reels of a slot. Classic mechanical slot machines typically featured just one horizontal payline, which ran straight through the center of the grid. Modern video slots now feature larger grids, which can have dozens, hundreds, or even thousands of paylines.
Here are some of the most common paylines explained:
- Horizontal lines: The vast majority of online slots have straight paylines running across each row of the grid.
- Diagonal lines: They travel from one corner of the grid to the opposite end. For example, a payline might start at the top-left symbol and end at the bottom of the grid.
- V-shapes: Paths that start at the top corner of the grid, dip to the bottom row, and then climb back up to the top row, or vice versa.
- Zigzags: Complex, non-linear paths that move up and down across adjacent reels. They feature heavily on slots with higher payline counts, significantly increasing the number of combinations.
Paylines normally run from left to right, starting on the first reel. You’ll win if matching symbols appear on consecutive reels on one or more of those paylines. Typically, you need at least three consecutive symbols to appear on a line, but you’ll earn a larger payout if four or five symbols appear.
When the reels stop, the game checks each pattern in turn. If matching symbols sit on consecutive reels along a line, you’ll get paid. This is an important point:
When playing a standard 5-reel online slot, you’ll only win if the matching symbols start on the first reel. If they start on the second or third reel, you won’t receive a payout.
You won’t get paid if the matching symbols skip a reel. For example, if they appear on the first, third, and fourth reels.
Some online slots break this convention. Certain games also pay from right to left. Look out for “pays both ways” or “win both ways” slots. However, they’re reasonably rare. Unless the paytable says otherwise, assume that you only get paid if symbols appear from left to right from the first reel.
Fixed vs. Variable Paylines
Online slots fall into two broad categories: games with fixed paylines, and games with variable paylines. This affects how your stake is distributed and how often winning combinations appear after you spin the reels. We’ve explained both slot payline types below.
Fixed Paylines
Every line is always active on a slot with fixed paylines. The game will automatically divide your total bet amount across each payline. For example, let’s say you’re playing a 20-payline slot and you’re betting $1 per spin. In that case, you’re wagering $0.05 per payline on each spin.
This is the default setting for the overwhelming majority of video slots released today. They use fixed paylines to keep the math clean and simple. With every payline always live, you’ll never face the frustration of landing a winning combo on a line you forgot to activate.
Variable (Adjustable) Paylines
Variable payline slots let you choose how many lines you’d like to activate before spinning. For example, you might find a slot with 20 paylines. If you want to wager $1 per spin, you could divide your stake up in different ways:
- $0.05 per payline on 20 paylines.
- $0.10 per payline on 10 paylines.
- $0.20 per payline on 5 paylines.
That’s the key distinction: on adjustable slots, you set the stake per line and choose how many lines you’d like to play. Your total stake is your bet per line multiplied by the number of active lines.
Just bear in mind that you might land a winning combo on an inactive line if you don’t cover all the paylines. If so, you won’t receive a payout. Adjustable lines are more common on older, classic slots. They’re disappearing on modern video slots.
Paylines vs. Ways to Win
Some online slots feature “ways to win” instead of traditional paylines. On those games, you’ll win whenever matching symbols land on adjacent reels, starting from the first reel, regardless of their row position.
On a standard 5×3 grid, that produces 243 ways to win. If the slot has a 5×4 grid, there will be 1,024 ways to win. These are also known as “pays all ways” slots. Games with 243 or 1,024 ways to win are common nowadays.
If you play these casino games, you don’t need to trace shapes across the grid. Any symbol that appears on the first reel connects with any matching symbol on the second reel, and so on.
Megaways slots take this format to the extreme. The number of symbols per reel will change on every spin, so the number of ways to win always changes too. There are up to 117,649 ways to win on a standard 6-reel Megaways slot, but some of them offer more than 200,000 ways to win.
Another model, cluster pays, doesn’t feature traditional paylines either. Instead, you’ll win if a group of matching symbols are clustered together – horizontally or vertically – on the grid after you spin.
Do More Paylines Mean Better Odds?
A higher payline count doesn’t translate to better odds. There are two separate factors to consider when choosing an online slot:
- RTP: The return to player (RTP) rate tells you how much you can expect back if your luck is average. For example, a game with a 97.2% RTP will return $97.20 for every $100 wagered over an infinite period of time. A 10-payline slot and a 50-payline slot can have an identical RTP.
- Volatility: A slot’s volatility determines how often you’re likely to win. A slot with low volatility tends to produce small, frequent wins, whereas a highly volatility slot should deliver large, infrequent wins.
What payline count does influence is the feel of a session. More lines will generally result in more frequent, smaller hits, but it doesn’t change the game’s RTP rate.
Conclusion
Paylines determine how you win when playing an online slot. Most modern video slots feature fixed paylines, so you don’t need to worry about forgetting to activate a certain line. If you want to play slots with adjustable paylines, try older slots like Cleopatra or the original Thunderstruck. You can check the game rules before playing to check the paylines, but remember to choose high RTP slots with a volatility level that suits your playing style and session goals.
Frequently Asked Questions
A payline is a predefined pattern that runs across the reels of a slot. You’ll win if matching symbols land on consecutive reels on a payline after spinning the reels. Paylines can be straight, zigzag, or diagonal, and most slots evaluate them from left to right, starting on the first reel, with winning combinations set out in the paytable.
It’s generally best to play every payline when you’re playing an online slot with adjustable lines. That means you get full coverage of the paytable, and you won’t be frustrated if a winning combo appears on a deactivated line. If the total stake looks too high, just lower your per-line bet to bring your overall bet size down.
Paylines require symbols to land in specific patterns, while ways-to-win slots pay out whenever matching symbols land on adjacent reels from reel one, regardless of the row. A 243-ways slot has no line patterns at all. The position within the reel doesn’t matter, as you get paid if there’s any reel-to-reel connection.
No, the number of paylines won’t impact the RTP percentage of an online slot. You can play slots with 10 paylines and high RTP rates, or slots with 50 paylines and low RTP rates. They’re two separate features, but they’re both important to consider before choosing a slot.
A slot with 243 ways to win means that you’ll get paid if any matching symbols appear on adjacent reels on the 5×3 grid. The matching symbols need to start on reel one, but they can appear in any row position. With three positions on each of the five reels, there are 243 possible winning routes across the grid (3 x 3 x 3 x 3 x 3).
No, most online slots use paylines, but some pay out in other ways. Ways-to-win slots pay whenever matching symbols land on adjacent reels, regardless of their position, while cluster pays slots award prizes when groups of matching symbols land connected together. Always check the paytable before you spin to confirm.
Ilija is a CCN writer with 7 years of experience covering all things crypto. Ever since a fateful run-in with Litecoin in 2013, he's been an avid investor and writer in the space. When he's not maniacally hacking away at his keyboard, Ilija spends his time either hiking in nature or holed up in his apartment gaming.
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