5 free spins on Starburst

New players only. Free spins credited on Starburst at £0.10 per spin. Winnings from free spins will be paid into cash balance. 3 day expiry. Players must enter a valid debit/credit card to claim this offer. 18+ Begambleaware.org T&C's Apply

25 free spins with your first deposit

New players only. Must make a single deposit of £25 and play through 1x on slots to qualify for 25 free spins on Starburst at £0.10 per spin. Winnings from free spins will be paid into a withdrawable cash balance. 7 day expiry. 18+ Begambleaware.org T&C's Apply

Rainbow Jackpots

Rainbow Jackpots is a slot game full of bonus rounds and possible winning angles from the portfolio of leading casino games developer Red Tiger Gaming. It features many bonuses and surprises that will excite players, and will make you spin the reels again and again.




Min Bet


Max Bet



Bonus: Symbol Swap, Mega Symbol Swap, Beer Bonus, Triple Beer Bonus, Free Spins, Mega Free Spins

How To Play Rainbow Jackpots Online Slot Game

Rainbow Jackpots online slots UK is an Irish themed slot game with a series of great bonus features from top developer Red Tiger.

Rainbow Jackpots Online Slot Buttons


Balance shows you how much is left in your account to play with.

Total Stake

Press the up (+) and down (-) arrows to change the amount you are placing on the next round.


The Auto feature lets you choose how many rounds for the game to automatically play for.


The Spin button will start the next round.

Rainbow Jackpots Online Slot Features

The Leprechaun

The Leprechaun can appear randomly to blow bonuses out of his pipe.

Free Spins Bonus

Three Free Spins symbols will activate the Free Spins Bonus.

Mega Free Spins Bonus

The Mega Free Spins symbol is awarded from the Leprechaun, and it assures a BIG number of free spins.

Random Tiles

The random tiles are blown out of the Leprechaun`s pipe to line up in the most fortunate way!

Mega Random Tiles

Mega Random Tiles are blown as a surprise out of the Leprechaun`s pipe to bring BIG wins along.

Beer Bonus

Three Beer Bonus symbols activate the Bonus Round. Choose a beer mug and get the instant win determined for it.

Triple Beer Bonus

The Triple Beer Bonus is awarded from the Leprechaun, and it gives the chance to fill up the chosen mug with bigger wins.

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At Slotto we pride ourselves on having some of the best online slot games in the business. If you're a fan of Irish themed slots we have more in store for you. Try the classic Rainbow Riches Slot Game or Slots O' Gold. Or if it's progressive jackpots you love then take a look at Slotto's Jackpot Slots page.