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How to Increase Your Chances of Winning at Online Slots

Billionaire Gambler Author Andrei Sutton

Written by

Andrei Sutton

Published: 19 February 2025

Updated: 19 February 2025

Online slots are among the most popular casino games around, offering an exciting blend of vibrant graphics, thrilling themes, and the possibility of substantial wins—all at the click of a button. Despite their simple appearance, slots come loaded with intriguing mechanics and concepts that can greatly influence your overall success. In this guide, we’ll break down how slots work, explore strategies and betting systems (like Labouchere), delve into bankroll management, and discuss how to get the most from bonuses and promotions. By the end, you’ll be well-equipped to spin smarter and, hopefully, win more often.

Understanding the Basics

What Are Online Slots?

Online slots simulate the traditional “fruit machines” found in brick-and-mortar casinos. Each game comprises a set of reels that spin and land on various symbols. When those symbols line up on a “payline” (or multiple paylines), the game pays out according to a preset paytable. Modern online slots also include innovative
slot machine features such as wild symbols, scatter symbols, cascading reels, and bonus mini-games.

How Slot Outcomes Are Determined

All legitimate online slot machines rely on Random Number Generators, or RNGs, to generate results. RNGs ensure that each spin is wholly independent, making it impossible to predict or manipulate outcomes. Although superstitions like “hot streaks” persist, every spin truly is a fresh event.

Different Types of Slots

immortal romance slot.jpg      cleopatra progressive jackpot slot.jpg

Classic vs. Video vs. Progressive

  • Classic Slots: Often have three reels and a limited number of paylines. They’re simpler in design but can be appealing to those who enjoy a retro feel.
  • Video Slots (left image): Typically feature multiple paylines, immersive themes, and bonus rounds, along with advanced visuals and sound effects. These are the most common type on modern casino sites.
  • Progressive Jackpot Slots (right image): As you spin, a portion of each wager is added to a growing prize pool, which can reach life-changing sums. For a closer look, read
    an in depth look at progressive jackpots.

Low, Medium, and High Volatility

Slot volatility (or variance) describes how frequently—and how big—payouts tend to be.

  • Low Volatility: Small, frequent wins
  • Medium Volatility: A balance between size and frequency of wins
  • High Volatility: Larger but less frequent payouts

Step by Step: How to Play Slots

  1. Choose Your Slot

    Consider themes, volatility, and
    the ultimate RTP guide. Higher RTP percentages typically promise better long-term returns, though short-term results will still vary.

  2. Adjust Your Bet and Paylines

    Set your coin size and the number of coins per line, if applicable. Some games also let you adjust how many paylines are active.

  3. Spin the Reels

    Press the “Spin” button to set the reels in motion. Alternatively, “Autoplay” lets you spin multiple times automatically.

  4. Check for Wins

    After the reels stop, any winning combinations are automatically highlighted, and the game pays out your winnings accordingly.

How to Increase Your Odds of Winning

Return to Player (RTP)

RTP is a theoretical figure that indicates the percentage of your stake you might get back in the long run. For instance, a slot with a 96% RTP means that—over an enormous number of spins—it will pay out £96 for every £100 wagered. Keep in mind, high RTP doesn’t guarantee frequent wins; it’s simply a statistical average. If you’re curious about why RTP matters so much, read
our ultimate RTP guide.

Volatility Awareness

Pick a slot whose volatility level matches your risk tolerance. If you’d rather see regular returns—even if they’re small—opt for low volatility. If chasing massive payouts appeals, go high volatility. If you’d like to explore popular games known for their balance of features and payout potential, check out the top 10 best online slot games of all time.

Bonus Features and Free Spins

Slots often include free spins, multipliers, and mini-bonus rounds. Understanding these features can significantly boost your odds of hitting bigger wins. If you want a deeper dive into tactical free spins usage, you might enjoy reading about how to use free spins wisely to increase your wins.

5. Slot Strategies and Betting Systems

Slots are inherently random, but some players employ structured betting systems—like Martingale, D’Alembert, or Fibonacci—to manage their stakes. You can read more on these approaches in  the science of betting systems.

Example 1: Martingale for Slots

The Martingale System is traditionally associated with table games, but some slot players adapt it as a way to manage bets during short sessions. The idea is simple:

  1. Decide on a Base Bet: For example, £1 per spin.
  2. Start With the Base Bet: Spin at £1.
  3. On a Loss: Double your stake for the next spin (move from £1 to £2).
  4. On a Win: Return to the base bet.
  5. Stop-Loss: Always decide on a maximum loss limit to avoid rapidly depleting your bankroll during losing streaks.

Spin

Action

Bet Size

Outcome

New Bet

1

Base Bet

£1

Loss

£2

2

Double Bet

£2

Loss

£4

3

Double Bet

£4

Win

£1

4

Reset to Base

£1

depends on outcome

The Martingale concept tries to recoup previous losses plus a profit equal to the original stake once you hit a win. However, due to the unpredictable nature of slots, prolonged losing streaks can cause bet sizes to escalate very quickly, making it risky without a strict stop-loss strategy.

Example 2: D’Alembert System

Another popular approach is the D’Alembert System, which aims to balance wins and losses by increasing or decreasing your bet sizes in smaller increments:

  1. Decide on a Base Unit: For instance, £1 per “unit.”
  2. Start with One Unit: Your first spin might be £1.
  3. On a Loss: Increase your bet by one unit (for example, move from £1 to £2).
  4. On a Win: Decrease your bet by one unit (for example, move from £2 back down to £1).
  5. Maintain a Stop-Loss: Decide when you’ll stop if you hit a bad run of luck.

Spin

Action

Bet Size

Outcome

New Bet

1

Start

£1

Loss

£2

2

Increase 1 Unit

£2

Loss

£3

3

Increase 1 Unit

£3

Win

£2

4

Decrease 1 Unit

£2

depends on outcome

While no betting system can override the randomness of online slots, structured approaches like Martingale and D’Alembert can help you track your wagers more systematically and avoid impulsive betting hikes.

Managing Your Bankroll

Bankroll management is critical. Decide how much you’re willing to lose before starting, and never chase losses by increasing your stakes recklessly. If you’re new to setting financial boundaries, our guide on how to manage your bankroll covers effective ways to pace your spending, set stop-loss limits, and avoid impulsive bets.

Bonuses & Promotions

Welcome Offers and No Deposit Bonuses

Many online casinos offer promotions designed to attract new players, such as deposit matches and no deposit bonuses. If you’d like a crash course in getting the most value from these deals, learn how to use a no deposit bonus to your advantage.

Wagering Requirements

Always read the terms attached to any promotion, especially regarding wagering. Some bonuses have high wagering requirements, which can make it challenging to convert bonus funds into real, withdrawable cash.

Loyalty Schemes

Online casinos frequently reward returning players through VIP or loyalty programmes. If you’re a committed player or high roller, you could benefit from the top casino loyalty programs for VIPs. These can include higher deposit limits, faster withdrawals, bespoke offers, and more.

Picking a Reputable Online Casino

A trustworthy casino site holds valid licences, uses SSL encryption, and undergoes regular auditing to ensure fair play. If you’re in the market for a new place to spin, you might explore some of the UK online casinos known for security and reliability. You can also check out our recommended slots platforms.

Final Thoughts

While winning at online slots ultimately hinges on chance, you can tilt the odds in your favour by understanding RTP, volatility, and bonus features. Combining structured betting approaches with solid bankroll management can help you stay disciplined. Pair this with well-chosen promotions—like free spins or no deposit bonuses—and you’re on track for a more rewarding, less risky gaming experience.

Above all, remember that slots are meant to be fun. Stick to your limits, enjoy the wide variety of games, and celebrate responsibly when the reels go your way.

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