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#	Click To Join!	Online Casino [Slots Rating]	Bonus Code Bonus Description	Wager Requirement (WR)	Cashable Bonus	US Players
1		WinPalace Casino	WINSLOTS 300% up to $3,000!	25x
WinPalace boasts a great variety of slot machines and they have a bonus exclusively for slots players that shouldn't be overlooked. The code WINSLOTS will make you eligible for a 300% up to $1,000 bonus! This bonus comes with a 25x wagering requirement, which means you need to bet ($333.33+$1000 x 25) to clear the full bonus. This works out to a total of $33,333 or 6,666 $5 spins. Fine print: Bonus is not cashable. Withdrawing before playthrough requirements are met will void bonus and any winnings.
2		Bovada Casino	SLOTS500 100% up to $500	50x
Bovada Casino is currently the number one destination for US gamblers. Although the name might sound new, it's simply a new launch of the famous Bodog brand. They offer an awesome bonus for slots players worth 100% up to $500 on your first deposit. There's a 50x wagering requirement, meaning you'll need to bet $50,000 ($500+$500 x 50) to earn the full bonus. If you're playing with $5 bets, that works out to 10,000 spins on your favorite machine. Fine print: The bonus is cashable. Only play on slots games count toward meeting the wagering requirement. Bonus can be redeemed up to four times, for $2,000 total.
3		Cool Cat Casino	WINATFIRST275 275% up to Unlimited!	25x
Cool Cat Casino offers an awesome no-depsoit bonus that means you can check out the real money casino absolutely risk free. When you're ready to make a deposit, we recommend using the code WINATFIRST275, as this will give Slots players a 275% match bonus with no upper limit! The only thing to keep in mind is that there's a 25x wagering requirement, so make sure you activate a bonus you know you'll be able to clear! Fine print: The bonus is not cashable. Players can only cash out 10x the bonus amount when making a withdraw.
4		Palace of Chance Casino	NO300PLAY 300% up to Unlimited!	0x
Palace of Chance offers one of the most generous bonuses online to slots players! Simply use the code NO300PLAY to get a 300% bonus with no upper limit! As if that wasn't enough, this bonus also comes with no wagering requirements, which means you're free to cash out whenever you want! To take advantage of this awesome offer you just need to make a deposit of $40 or more. Fine print: Bonus is not cashable. There is a 10x Max Cashout when making your withdrawal. This bonus can be redeemed multiple times.
5		Rome Casino	Automatic 100% up to $10,000 over ten deposits!	20x
Rome Casino is powered by Real Time Gaming and has an awesome selection of games. They also have one of the largest bonuses you'll find online, with their awesome $10,000 welcome offer over your first ten bonuses. This bonus comes with a wagering requirement of 20x, so to clear the first bonus of 200% up to $1,000, you'll need to bet $500+$1000 x 20, which works out to $30,000. On a $10 slot machine that would be 3,000 spins. Fine print: You must have played through or lost your current bonus before depositing to collect the next bonus.
6		Planet 7 Casino	P7SLOTS100 100% up to $10,000!	30x
Planet 7 has an exclusive bonus offer that is only valid for play on Slots machines. Players who redeem our coupon code P7SLOTS100 will be rewarded with a 100% up to $10,000 welcome bonus, with a minimum deposit of $30. The 30x playthrough requirement means you'll have to wager a rather large $600,000 ($10,000+$10,000 x 30) to clear the full bonus amount, but you can always make a smaller deposit to have a more manageable bonus. Fine print: Thie bonus is not cashable. Bonus can only be cleared playing on slot machines.
7		Jackpot Grand	GRANDSLOTS 400% up to $4000	35x

#	Click To Join!	Online Casino [Slots Rating]	Bonus Code Bonus Description	Wager Requirement (WR)	Cashable Bonus	US Players
1		bet365 Casino	SLOTS200 200% up to $400	30x
If you're not from the United States, then we suggest bet365 Casino as your new favourite online casino. Slots players will be particularly excited to hear about the 200% up to $400 (or 200% up to €200) bonus that is activated by using the code SLOTS200. The 30x wagering requirement means players will need to bet $18,000 (or €9,000) before cashing out. At $10 a spin, that's 1,800 bets on a slot machine. Fine print: Bonus expires 30 days after first deposit. Winnings may not be withdrawn until playthrough requirement is met.
2		William Hill Casino	Automatic 150% up to £150	20x
William Hill is a very recognizable UK brand to sportsbetting fans, but the selection of slot machines in their online casino is also worthy of note. When signing up through our links, players who deposit £35 or more will automatically qualify for a 100% up to £150 bonus, with a 20x wagering requirement. You'll need to bet 20 x (£150+£150), or £6,000, in order to cash out. At £10 a bet, that's 600 spins. Fine print: You must clear the bonus within 30 days of your deposit or it will expire. Bonus is not cashable.
3		888 casino	Automatic 200% up to €200	15x
We don't have a bonus code for 888 Casino, but that doesn't mean slots players can't grab some free cash! When you sign up through our links, you'll automatically be entitled to a 100% up to $200 welcome bonus. When used on Slots games, this bonus comes with a wagering requirement of 15x your deposit + bonus. To earn the full bonus, you'd need to wager 15x ($200+$200), which works out at $6,000. Fine print: Withdrawal can only be made when wagering requirements have been met. To withdraw the deposit amount before this, contact support to have the bonus + winnings removed from your account.
4		PartyCasino	750SLOTS 100% up to $3,000	20x
Party Casino is arguably the number one most recognized name in online gambling. Along with a trusted reputation and awesome software, Party Casino is offering slots players a 100% up to $3,000 welcome bonus with the code 750SLOTS. The welcome bonus is split over your first four deposits and has a 20x wagering requirement. To clear the full bonus you would therefore need to wager $120,000 ($3,000+$3,000 x 20), which works out to 8,000 spins at $15 per bet. Fine print: Jackpot slots do not count towards the playthrough requirement. Bonus expires 30 days after initial deposit.
5		Ladbrokes Casino	Automatic 100% up to £500	30x
Slots Players at Ladbrokes can enjoy an automatic 100% up to £500 bonus when they sign up to the casino through our links. The bonus has three levels, dependant on the size of your deposit, and each level has its own terms, although slots games are eligible for all bonuses. Deposits between £51 and £250 will have a 30x wagering requirement, with 20x being the requirement for larger and smaller deposits/bonuses. Fine print: Deposits/transfers made using NETELLER or Skrill come with a turnover requirement of 20x the actual deposit level for all bonuses.
6		Bodog Casino	WELCOMESLOTS 100% up to $400	40x
Slots players using the code WELCOMESLOTS will receive a 100$ up to $400 deposit bonus, with a wagering requirement of 50x. That means to earn the full bonus you'd need to bet $400 x 50 = $20,000. Wagering $5 a spin, that's 4000 bets on a slot machine. Fine print: Bonus is 100% up to 400 in any of the following currencies: Pound Sterling, Euro or US Dollar. Bonus is cashable.
7		Zynga Plus Casino	Automatic	20x
8		Tropezia Palace	Automatic	35x

Online Slots Bonuses Explained

Many newcomers to online casinos regard slots bonuses as being too good to be true, and simply ignore the offers of free hundreds or even thousands of dollars. The good news is these casino bonuses are in fact very real, they're just not quite as simple as being handed a wad of cash. Players make a deposit and the size of the bonus credited depends on this deposit amount, usually it's a 1:1 match but this varies from casino to casino. Players who are planning on making a deposit should definitely take advantage of these match bonuses.

The sly amongst you may already be considering making a deposit to receive a bonus and then immediately cashing both out for a quick profit. The days of this being possible are sadly long gone, and today casino bonuses come with a "wagering requirement" that must be met before the bonus is cleared. In short, the casino is just insisting you do actually place bets in the casino.

This wagering or playthrough requirement will be a number like, for example, "10x", and this means you must wager your 10x your deposit + your bonus before making a withdrawal. As an example, let's imagine a casino has a 100% up to $300 welcome bonus with a wagering requirement of 10x, and you deposit $100. Your deposit ($100) and your 100% match bonus ($100) multiplied by ten (10x WR) comes out to $2,000. If you're betting $5 on slot machines, that would be 400 spins to earn your bonus.

The wagering requirement can be very complicated in some casinos, with bets placed on different games contributing different amounts to the requirement, and some not contributing at all. The good news for slots players is that you'll enjoy the lowest playthrough requirements of all game types when clearing bonuses, and virtually all slots games will count towards your bonus. The one notable exception is that often slot machines with progressive jackpots cannot be used to clear a bonus.

The final - and important - piece of information to look out for is if a bonus is cashable or non-cashable. A cashable bonus works just as you would expect, meaning once you've met the wagering requirements you can withdraw your initial deposit, your bonus and any winnings. A non-cashable bonus can never be withdrawn and will be removed from your account when cashing out, but these tend to be much larger. Non-cashable bonuses are like free play tokens rather than free cash in your hand.

On this page you'll find our top recommendations for online slots bonuses at a number of different online casinos for both US and international players. The wagering requirement is listed, as well as if the bonus is cashable or not, so you should be able to make an informed decision about which bonus is best for you. Have fun and good luck!