• US Online Casino

    Best US Online Casino
    • Multi-Software
    • 50+ Mobile Games
    • $3,000 Welcome Bonus
    Visit Casino
  • Euro Online Casino

    Best European Online Casino
    • Licensed UK Casino
    • Top Playtech Casino
    • Amazing Live Dealer Games
    Visit Casino
  • AUS Online Casino

    Best Australian Online Casino
    • 400% Match Bonus
    • Huge Jackpots
    • AU$25 Free Chip
    Visit Casino

Slots Bonuses

Online Slots Bonuses

Online casino games are popular all over the world and they bring in significant amounts of revenue for iGaming operators. These games range from online table games such as poker and blackjack to live dealer casino games, online poker, sports betting and online slots. Some of the top iGaming operators in the world claim that online slots continue to be the most popular games in their gaming portfolio and end up generating the majority of their gaming revenues. This is one of the main reasons why online casinos tend to offer the best bonuses for slots players and will often run special promotions offering exclusive and non-exclusive online slots bonuses.

Most online casinos have hundreds of online slots to choose from and online slot lovers are spoiled for choice. There are also some online casinos that exclusively offer only online slots and they are a slot heaven for players who are into online slot games. These slot friendly online casinos often give you the option to choose your Slot Bonus and then use the free spins or free cash on your favorite online slot game. This has worked very well for online casinos as the extra lure of an exclusive online slot bonus has helped to bring in more players.

Last Updated: March 21, 2018

  Leo Vegas Casino Languages: Dutch English Finnish German Norwegian Swedish

Leo Vegas Casino

  • - Outstanding Mobile Version
  • - Generous Welcome Offer
  • - Diverse Multiple Software
  • - Multiple EGR Award Winner
£1,600 No 96.5% 5


2 888 Casino Languages: Bulgarian Chinese Czech Danish Dutch English Estonian Finnish French Greek Hungarian Italian Japanese Latvian Lithuanian Polish Portuguese Romanian Russian Spanish Swedish

888 Casino

  • - Large progressive jackpots
  • - Amazing Live Dealer Casino
  • - Huge game variety
  • - Great promos & VIP program
€1,500 No 97.72% 5


3 Royal Vegas Casino Languages: English Finnish French German Greek Italian Norwegian Portuguese Spanish Swedish

Royal Vegas Casino

  • - Over 500 casino games
  • - Progressive jackpots
  • - Great rewards programme
  • - Superb mobile version
£1,200 No 97.5% 5


4 EuroGrand Languages: Czech English Finnish French German Japanese Norwegian Polish Romanian Russian Spanish Swedish


  • - 4 welcome offers
  • - Good reload bonuses
  • - 29 Progressive Jackpots
  • - Great player support
€1,000 No 96.66% 5


5 Spinit Casino Languages: English Finnish German Norwegian Swedish

Spinit Casino

  • - 1,200+ games
  • - 200+ mobile games
  • - Multivendor platform
  • - Terrific customer support
$1,000 No 96.5% 4.5


6 Casino Palace Languages: English German Swedish

Casino Palace

  • - Exciting new casino
  • - A diverse game selection
  • - Games from 17 providers
  • - Very user and mobile-friendly
£800 No 97% 5


7 PartyCasino Languages: English German Russian


  • - Numerous promotions
  • - Rich Progressive Jackpots
  • - Live Dealer Tables
€500 No 97% 4.5


8 William Hill Casino Languages: Chinese Czech English Finnish French German Greek Hungarian Italian Japanese Norwegian Polish Portuguese Romanian Russian Serbian Slovenian Spanish Swedish Turkish

William Hill Casino

  • - Impeccable reputation
  • - Great customer service
  • - Excellent reload bonuses
  • - Live Dealer Tables
£300 No 96.7% 4.5


9 Mr Green Casino Languages: English Finnish German Norwegian Polish Swedish

Mr Green Casino

  • - Using Multiple Software
  • - Multi-Award Winning
  • - Huge Progressive Jackpots
€150 No 97% 4.5


10 Casumo Casino Languages: English Finnish German Norwegian Swedish

Casumo Casino

  • - Great Gamification
  • - Fast Winning Payouts
  • - Around the Clock Support
  • - Lots of New Games Available
€50 No 97.2% 5



  Leo Vegas Casino


LeoVegas are an innovative, un-paralleled online casino, providing world-class entertainment. ‘Mobile first’ is part of their DNA with custom built software and design, making them the lead in mobile technology. In just over 3 years they have won two EGR Innovation Awards an EGR Operator Award and were ranked 29 in the EGR Power 50 List of the most influential gaming operators.

As Europe’s no.1 mobile casino we highly recommend LeoVegas, giving you the very best from your desktop, tablet or mobile. They offer nothing less than a rich player experience using advanced technology and a streamlined design. Their wide variety of games including live casino and 3d casino from an array of software providers along with an unbeatable welcome bonus and numerous promotions places them above the competition.

Play Now Read Review




  • Outstanding Mobile Version
  • Generous Welcome Offer
  • Diverse Multiple Software
  • Multiple EGR Award Winner
  • US Restricted
  • Casino Software


Dutch English Finnish German Norwegian Swedish
Visit Casino

The Casino Bonuses Checklist

While online casinos continue to improve the overall experience of their customers through various sections, welcome bonuses remain a very important feature based on which many online gamers choose where they want to enjoy their favourite casino games.

This is exactly where you will be able to find the biggest sign-up packages in the industry, be it no deposit offers, first deposit match or welcome bonuses that span across a number of deposits. We will ensure the bonus amounts and percentages are updated on regular basis, so that players can find their preferred welcome offer and immediately start earning loads of free cash.

  • Legally licensed
  • Fair wager requirements
  • Audited payout percentages
  • Secure banking systems
  • 24/7 Customer Support
  • Variety of banking methods
  • Fast & easy withdrawals
  • Online for 2 Years or more
  • Variety of bonuses
  • Reputable software
  • Good high roller bonuses
  • Solid loyalty program

Compare the Best Online Slots Bonuses

Before you sign up at an online casino, the first thing you want to do is to compare the different online slot bonuses on offer. Online casinos offer players a variety of slot bonuses that come in the form of free spins, free cash, no deposit bonuses, no deposit free cash, no deposit free spins, match deposit bonuses and special high roller bonuses.

Most players don’t really spend enough time checking to find the best online slot bonuses because once they get the itch to play the slot machines; they don’t want to wait around. However – it is in your best interests to compare a minimum of 3 online casino slot bonuses and then decide which online casino suits you best. So if you are looking to play online slots that have a movie theme to it, then you want to narrow your search down to online casinos that have a good portfolio of movie themed slots.

When you find three or four such casinos, you then need to go to their home page and pay attention to their bonus offers. You can compare anywhere between 3 to 5 of these online casino bonuses which will then help you decide which online casino is best for you.

When you find the right online slots bonus, you can then take advantage of either the free spins or free cash to play your favorite online slots without having to spend any money of your own. These free bonuses also gives you the opportunity to gain some experience and learn how the online slot game works for free.

Finding the Right Bonus Type

We take a look at some of the popular online slot bonuses that are offered by iGaming operators and explain the process of redeeming them.

Match Deposit Bonus + Free Spins: Online casinos make their money when they get their players to make deposits on a regular basis. To encourage this, they offer match deposit bonuses + free spins. Pyramids Fortune Casino offers three match deposit bonuses. The first bonus is a 200 percent match; the second has a 100 percent match and the third a 50 percent match. Here is an example: If you deposit €20 for the first time at a casino – players will receive an additional €40 +50 Free Spins valid only on the Starburst slot.

Some online casinos require players to enter a bonus code e.g. ‘Starburst’ which credits their account with the bonus money and free spins. However some online casinos automatically top up the player’s account and no bonus code is required. Do check whether your slots bonus has a bonus code or if it will be automatically credited to your account.

Free Spins without Deposit: Some online casinos offer players free spins no deposit bonus. This means players are not required to make any deposit but can still avail this free spins offer which is usually tied up to a sign-up bonus offer. Players will find their free spins credited once they sign-up. The number of free spins will be specified in the sign-up bonus offer and sometimes can be restricted to certain games.

Free Play Bonus: Some online casinos offer a free play bonus that is usually restricted to certain online slots. Players are always advised to take the time to read the terms and conditions carefully to know the wagering requirements attached to each slot bonus.

A Cashable vs. Non-Cashable Slot Bonus

Some online casinos prefer to offer players cashable bonuses while some go with non-cashable slot bonuses.

Cashable bonuses allow players to take the free cash and make a withdrawal. However, most of these cashable bonuses have wagering requirements attached to them. Non-cashable slot bonuses make it very clear in the terms and conditions that the free cash cannot be withdrawn at any time and can only be used to play real money games.

The beauty of these online slot bonuses is that players can sign-up at an online casino for free, make use of these special bonus offers and play online casino games without ever having to deposit any of their own money. They can even end up winning a nice sum of money with the sign-up bonuses they claim.