300 Shields

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300 Shields is a NextGen online slot featuring 5 reels, 3 rows and 25 paylines. The betting range starts from a minimum of £0.25 to a maximum of £12.50. Additionally, the 300 Shields slot offers a Battle Feature Free Games feature where you could potentially win up to 20 bonus spins with 300x multipliers. The Return to Player (RTP) rate is 95.3%, and the volatility is high.

Bonus Features:

Yes (1)

Stakes Range:

£0.25 - £12.50

Maximum Win:

17,773x your wager

Return To Player (RTP):









Action, Battle



*All of the above values are subject to change at any time.

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How To Play | Bonus Features & Jackpots | RTP & Volatility | Theme | FAQs

300 Shields Slot Review

300 Shields is an action-adventure casino game created by the popular NextGen Gaming casino slots developers. Based on the esteemed Spartan soldiers, this slot contains 5 reels and 3 rows, with 25 paylines. 

The bet starts at a minimum of £0.25 per spin to a maximum of £12.50. You could potentially win up to a maximum of 17,773x your stake. 

NextGen Gaming kept things simple regarding this slot's bonus feature and only offers a single bonus feature, the Battle Feature Free Games. Here, you will take the legendary Spartans into battle for up to 20 bonus spins and multipliers up to 300x.

Do you have what it takes to lead the ancient Greek Spartans into battle? Continue reading our review to find out.

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How To Play 300 Shields

The 300 Shields online slot has 25 adjustable paylines. Using the Paylines adjusting button from the Settings, you can choose the number of paylines you want to play on. In addition, the Coins button next to the Spin button will help you adjust your bet.

You can set your bet from £0.25 or take it to the maximum of £12.50 per spin. To form winning combinations, you must land 2 or more matching symbols from left to right on an active payline. Except for the scatter symbol, which can pay from anywhere in the reels.

Look out for the Spartan warrior wild symbol in a gold helmet as it is the highest paying symbol and could potentially award you up to 2000x your stake for 5 of a kind. Additionally, it could help you form winning combinations by substituting for other symbols, except the scatter.

The scatter symbol is the shield; if you land 3 or more, you will activate the Battle Feature Free Games. Moreover, you will be awarded 1000x your stake for landing 5 scatter symbols simultaneously.

The low-value symbols are the stylised A, K, J, Q, 10, and 9 card royals. The mid-range symbols are the silver helmet soldier, a boat, a sword and shooting arrows.

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300 Shields Slot Gameplay

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300 Shields Bonus Features & Jackpots

As mentioned above, the 300 Shields slot has a single and potentially lucrative bonus feature, the Battle Feature Free Games. To activate this feature, you must land 3 or more scatter symbols anywhere on the reels. 

Even if the payline they land on is not active, they still trigger the bonus feature. When the Battle Feature Free Games is active, you will receive 5 bonus spins.

Furthermore, the payout is doubled when the wild warrior symbol appears in a winning combination.

Any shield scatters landed during the bonus spins are collected in the meter to the right of the reels. When you collect two of them during your first round of 5 bonus spins, you'll be rewarded with another round of 5 bonus spins. Any potential payouts from winning combinations that include the warrior wild symbol will be multiplied by 5x.

Another retrigger of 5 bonus spins is awarded if you collect 6 shield scatters during the second round of extra spins. Then, all wild symbols that are part of a winning combination will receive a multiplier of 25x.

Fill the meter with 12 shields scatter symbols, and you will have a third 5 bonus spins reactivation round (4th in total). This round could instantly boost your potential payouts as it features a 300x wild multiplier. Additionally, if you land 3 shields on the same spin, you will earn 5 more additional bonus spins with the current 300x multiplier.

300 Shields Slot Bonus Game

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300 Shields RTP & Volatility

300 Shields has a 95.3% RTP rate, which is slightly on the low side, given that most slots have an average 96% RTP rate. The volatility is high.

Theme, Graphics & Soundtrack

The 300 Shields slot was inspired by the ancient Battle of Thermopylae, in which 300 Spartans faced a Persian army. It is also a reference to the 2006 film about the same battle. 

In the base game, the landscape is peaceful with fields of crops, but the bonus game (Battle Feature Free Games) contains plenty of action and bloodshed, and you'll even see blood dripping down the reels. It's a very graphic slot, but so are all the depictions of the Spartan era and battles.

As you spin the reels, you'll be accompanied by an appropriately drum-heavy and martial rhythmic track and blood-curdling splats every time a shield scatter lands.

300 Shields Review Summary

The 300 Shields slot is not for the fainthearted. It is a graphic and highly volatile game with lots of blood spills. The scatter symbols can appear anywhere on the reels and still count for something; it is the key to triggering the bonus spins round and can award payouts, which is another alluring factor of this game.

Additionally, the fact that you can retrigger the bonus round and receive multipliers of up to 300x is another plus. 

Overall, we recommend you try this Spartan-themed slot; you might be pleasantly surprised.

300 Shields FAQs

Can you play the 300 Shields slot on a mobile phone?

Yes, you can play the 300 Shields slot on a mobile phone that supports games built with HTML5 software. It's also compatible with both Android and iOS operating systems.

Can I win real money on the 300 Shields Slot?

Yes, the 300 Shields slot is a real money slot. You can place your bet from a minimum of £0.25 up to £12.50 maximum per spin, spread across your chosen number of paylines.

What is the RTP of 300 Shields?

The RTP of the 300 Shields slot is 95.3%.

What is the biggest win available on the 300 Shields Slot?

The max win on the 300 Shield slot is up to 17,773x your stake.

Does the 300 Shields slot have free spins?

Yes, the 300 Shield slot has the Battle Feature Free Games round that could award you up to 20 bonus spins and multipliers of up to 300x your stake.

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*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time.

Author: Scott Manford

Scott Manford

Scott was a director of Bede Gaming for over 5 years, helping to grow this company from incorporation to over 200 staff during his time there. He left to take on a directorship role at Newcastle Racecourse, where he helped implement the transition from turf racing to one of the world’s most advanced all-weather surfaces and racing schedules. He then formed Fortuna Gaming in early 2017 and became CEO of the company when it started trading later that year. His background is in finance, having been big 4 trained, and qualifying into a corporate finance role where he advised numerous businesses and was involved in a multitude of M&A transactions across several different sectors.