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Free Games - Play free online casino game here at Letsbonus! Free games let you practice and get a better understanding of how slot machines work, increase your chances of winning when playing for real money as well as have fun without risking anything. At Let's Bonus we offer you an opportunity to play some of the best free slot machines out there directly in your browser. No registration or download needed! Just click "Play" and start playing. Enjoy!

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We have listed what we consider to be the absolute best free slots on the internet today. They load directly in your browser so no download is needed, just click "Play" and start spinning! We update this list regularly with new and exciting titles. Our free slots are provided by the leading game developers such as NetEnt, Microgaming, Quickspin, NextGen Gaming, IGT, Thunderkick, ELK Studios and many more. All our free games can be played on both mobile phones, tablets and computer.

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Starburst is one of the most popular slots ever made. It was developed by NetEnt and was released back in 2012. The space themed slot quickly became loved by players around the world and is now one of the most well known slots together with its cousin Gonzo's Quest

Starburst has 5 reels, 3 rows and 10 paylines. It has a RTP of 96.09% and the variance if quite low which means it is suitable for all types of players. Features include expanding wilds and re-spins. Due to the low variance it is a good choice when going through a dry spell. Read more and play Starburst for free here on!

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Book of Dead

Book of Dead, also referred to as Ra's book is a very popular video slot developed by the game provider Play'n GO. It was released back in 2019 and has since then become one of the most popular slots among casino players all over the world. The minimum bet is only €0.10 and the maximum bet is €100. This makes Book of Dead suited for all kinds of players. It has a high volatility together with a fairly decent RTP of 96.21%.

The theme is ancient egypt and the rich explorer Ricardo. It features 10 pay lines on 5 reels. 

The main feature in the game is a special expanding symbol, which is selected randomly before each free spin round. During the free spins round the chosen symbol represents the whole reel and increases the chance of creating winning combinations. If you manage to land 5 of the explorers across an active payline, you win 5,000 times your line bet. You can play Book of Dead for free right here on Letsbonus and experience the gameplay for yourself. Alternatively check out our top Book of Dead bonus offers here!

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Piggy Riches Megaways

Piggy Riches Megaways is a slot by Red Tiger Gaming that was released in 2020. It is part of the Megaways series created by Big Time Gaming where there are up to 117,649 ways to win. As with all other slots in this series also has cluster wins instead of pay lines. The minimum bet is £0.10 and the maximum bet is £20. Cluster wins consist of at least 5 similar adjacency symbols.

Gameplay takes place in the luxurious home of a wealthy lady where diamonds, handbags and piles of cash is seen in the background. 

Features include Wild Duplication, Where wild symbols will have a value equal to the highest paying symbol beside them duplicated, and a free spin round. In the free spin round the area of all winning clusters is added up and multiplied with the win multiplier. This gives you the opportunity to win impressive amounts of money. Read more and play Piggy Riches Megaways for free here on! Or find the best Piggy Riches free spins offers below!

Gonzo's Quest

Gonzo's Quest is another very popular video slot from NetEnt. Released already back in 2013 but still going strong today. With its avalanche reels, cool graphics and great sound effects it manages to feel fresh and modern even after all these years. The minimum bet is £0.20 while the maximum bet is £200. Gonzo´s Quest has 5 reels, 3 rows and 20 pay lines. It has a pretty high variance with a theoretical RTP of 95.97%.

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In this video slot the winning symbols explode and are replaced by new ones that fall from above in an Avalanche. Each time an avalanche occurs the level of defeat goes up and it speed up when you get to later levels. Gonzo´s Quest also includes some great Free Fall symbols. 3 or more of the Free Fall symbols anywhere on the wheels will reward you with Free Spins. During the Free Falls the avalances will continue as long as you collect 5 or more Buttons.

Symbol combinations formed during an avalanche gives you an win. All wins except for those created during Free Spins are multiplied by a Multiplier factor, which increases with every avalanche. Find the best Gonzo's Quest casino offers in the UK right here!

Jammin Jars

Jammin Jars is a video slot developed by Push Gaming that was first released in 2016. The minimum bet is £0.25 while the maximum bet is £100. Jammin Jars has 8x8 grid with cluster pays instead of pay lines. Gameplay takes place in a colorful vortex with different jelly creatures and fruits as symbols. 

This slot includes several entertaining features like sticky vibrating jam jar wilds, floating behaviors, multipliers and free spins. When a jar lands on the play area and is involved in a win, it will stick for one or more subsequent spin. If during this time, the jar is involved in another win, the sticking time is extended. Read more and play Jammin Jars for free here on! Or find the best Jammin Jars casino offers in the UK right here!

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Mega Moolah

Mega Moolah also known as the Millionaire Genie is a progressive jackpot slot with 4 different jackpots (Mini, Minor, Major and Mega) by Microgaming. It was released back in 2006 and have since then paid out huge sums of money to lots of lucky winners. Some of the largest online casino jackpots ever reported are connected to this game. On September 28, 2018 a player only known as "Youngman" won €18,915,875 on Mega Moolah at Casino . On earlier occasions the jackpot has been won at other Microgaming casinos such as and .

The minimum bet is £3.80 and the maximum bet is £38. Mega Moolah has 5 reels, 3 rows and 25 pay lines. Gameplay is set in the African savannah with animal symbols representing different fruit-based payments. The lion is both the wild and multiplier symbol, it doubles the win when 1 in a winning combination and quadruples it when 2 or more appears in a win. Randomly triggered during normal game play the free spins round gives you up to 15 free spins with a 3x multiplier.

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But we all know that what people play Mega Moolah for is the progressive jackpot feature. This feature is entered randomly within the base game. Here you have four different progressive jackpots to try and win. To enter the bonus wheel round you must collect at least 5 bonus symbols anywhere on the reels. 

If you manage to trigger the bonus round while playing with maximum bet (£38), you will have the chance to win every single cent of the progressive jackpot. If you however triggered the bonus round with a lower bet size, the payout will be adjusted proportionally. For example if you triggered the bonus with a $5 bet and won $1 million, you would receive a balanced payment of $20,000 (last 4 digits of $1 million minused 4 digits of $5 bet = $20,000). Read more and play Mega Moolah for free here on! Or find the best Mega Moolah casino offers in the UK right here!

Twin Spin

Twin Spin is a classic slot by NetEnt with a vintage fruit machine look and feel. It was released back in 2013 and have since then earned a solid reputation among players. Gameplay contains typical casino symbols such as royals, cherries, lemons, oranges, melons, grapes and lucky sevens. Twin sparkles appearing on all reels. Two to five adjacent reels shine and then stop displaying from 2 to 5 identical and horizontally aligned symbol sets, called twin reels or twin symbols. 

With each successive spin the twin spins can grow both in size and value. Bet sizes ranges between £0.25 and £125 per spin. Twin spin does not include any free spins, scatters or wild symbols. But the winning opportunities created through the twin spin mechanism compensates for this rather well. Read more and play Twin Spin for free here on! Or find the best Twin Spin casino offers in the UK right here!

Wolf Gold 

Wolf Gold is a video slot developed by Pragmatic Play with an American wild west theme. It was released in 2017 and has since then become one of the most popular slots among casino players. Wolf Gold contains 5 reels, 3 rows and 25 pay lines. Bet sizes range from £0.25 to £125 per spin. Features include full moon bonuses, free spins, stacked symbols, blazing reels and money re-spin.

The full moon scatter awards 10, 15 or 25 free spins for 3, 4 or 5 symbols respectively. During free spins the number of lines is increased from 25 to 4064. Blazing re-spin is activated when at least two buffer reels are fully covered by an identical symbol. The remaining reels re-spin once, twice or three times depending on how many buffer reels there were. Money re-spin enables you to activate a bonus by getting at least six bonus symbols anywhere on the screen. With each additional bonus symbol appeared, the active number of winning lines is increasing. Once you have activated the bonus, the reels transform into a field of coins, and the re-spins begin. Read more and play Wolf Gold for free here on letsbonus.

Fire Joker

Fire Joker is a video slot developed by Play'n GO with a retro fruity theme. It was released already back in 013 but is still very popular among players who enjoy timeless classic slots. Gameplay consists mainly of traditional fruit machine symbols such as plums, oranges, lemons, bells, stars, horseshoes, lucky Sevens, watermelons, grapes and shiny eight-balls. 

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Fire joker contains 3 reels, 3 rows and 3 pay lines. Bet sizes range from £0.15 to £150 per spin. To make up for the few pay lines, they have included special features such as the x3 multiplier wheel, x3 wheel respin, wheel respins and transformer. 

During regular play the x3 wheel Respin is initiated when the second reel is completely covered by the same symbol and the third reel stops with at least one corresponding symbol. Then, the reels will hold in place while the first reel will respin. If the first reel lands on a matching symbol, the x3 Wheel will display a definite prize, which will be multiplied by three. Transformer may strike randomly and convert all occurrences of one symbol type into another, chosen symbol type. This relates only to the lowest two symbol types in the paytable. Symbols that are transformed include oranges, lemons, bells, and stars. Read more and play Fire Joker for free here on!

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Book of Ra

Book of Ra is an adventure themed video slot by Novomatic that was first released way back in 2005. It is set to the ancient Egypt and follows the journey of the brave archaeologist Ra. Even though Book of Ra is considered old school compared to newer slots it is still very popular among players today. Symbols contain typical Egyptian gods like Horus, scarab brooches, whips, GPS devices and the card values A - A. 

This slot contains 5 reels, 3 rows and 9 pay lines. With a minimum bet of £0.09 and a maximum bet of £135 it suits almost all kind of players. Book of Ra has some great features including free spin modes with special expanding symbols, gamble function and risk game. An expanded symbol is chosen prior to each free spin round and functions as a wild card and replaces all symbols except scattered Qualify symbols.

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