300 Shields Slot Machine

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300 Shields demo
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Return to player Min bet size Game type Variance Reels Progressive Jackpot
95.3% 0.01 Video Slots High 5 No
Popularity Max bet size Game provider Bonus Features Paylines Theme
5 NextGen Gaming Yes 25 Greece

Return to player


Min bet size


Game type

Video Slots





Progressive Jackpot



Max bet size


Game provider

NextGen Gaming

Bonus Features






300 Shields online slot game

Mobile-friendly and offering an excellent 4-stage free spins bonus round with wild multipliers that can increase to as much as 300x, 300 Shields is a good looking slot that offers up some lucrative payouts.

Theme and Story Line

300 Shields by NextGen Gaming is quite clearly inspired by the 2007 movie ‘300’ which is the story of 300 Spartan soldiers going to battle against and overcoming more than 300,000 Persian soldiers. Those are quite the odds and you as a player will be hoping to defy the odds by winning some huge payouts from the reels which contain warriors, shields, arrows, swords, and ships.

Graphics, Sounds and Animations

300 Shields is an attractive looking video slot that incorporates colourful and clear HD graphics, an intense soundtrack, and animations that burst into life after each combination win. Each of the symbols on the reels has been drawn in a cartoon-style while beneath those reels, the fields gust in the breeze. This slot is also mobile-friendly so any Android or iOS device will have little trouble running it.

300 Shields 1

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Containing 5-reels, 3-rows, and 25 pay lines, 300 Shields offers more than just the aesthetic beauty as noted above. While the bonus round will be the main objective when playing this slot, there will be extended periods of time where the wins will all come from the base game.

Players will have to land symbol combinations starting from the leftmost reel which then work their way across the subsequent reels to the right. The wild symbol and two other base game symbols will require at least a 2-symbol combination to payout while all remaining symbols will require at least 3 symbols. Landing 4 or 5 symbols in a symbol combination is where the higher payouts start to come into play.

The wild symbol is the ‘Shield’ and this will aid players by substituting for all other symbols apart from the scatter symbol when needed to complete a winning combination. As for the ‘Shield’ scatter symbol, this not only pays out when it lands 2, 3, 4, or 5 times anywhere in view on the reels but is also the symbol that unlocks the bonus round.

Players can use the paytable on the 300 Shields online slot to understand the many symbol combinations that can be created, their payouts, and learn more about the bonus round. This can be found by clicking the ‘Info’ button on the slots interface.

300 Shields 2

Bonuses and Free Spins

The 300 Shields video slot has only one bonus round of note but it is certainly a lucrative one. Triggered by landing at least three of the ‘Shield’ scatter symbols in any position on the reels, players are initially given 5 free spins. Any winning combinations that are completed with the help of the ‘Warrior’ wild symbol during these free spins will have their payouts doubled.

That bonus round does not end there, however, as players can collect additional ‘Shield’ to unlock additional stages:

  • Collect at least 2 ‘Shield’ scatters symbols from the additional 5 free spins and you will get to the next stage. Here you are given another 5 free spins but this time wins created with the help of the ‘Warrior’ wild symbol will multiply wins by 5x.
  • If you manage to increase your ‘Shield’ collection to at least 6 during stage two, you will then unlock stage 3. Here you get another 5 free spins but with wild multipliers of 25x.
  • The final stage will be unlocked if you have accrued at least 12 shields by the end of stage 3. Once achieved, you are given 5 more free spins but with a whopping wild multiplier of 300x.

Bet sizes, RTP and Variance

The min-max bet on the 300 Shields video slot is 0.01 to 5.00. Players have the ability to set the number of pay lines they wish to wager on between 1 and 25 and also how much they wish to wager on each line between 0.01 and 0.20. 300 Shields is a high variance slot that carries a respectable RTP of 95.3%. For that reason, you can expect the wins to come along less frequently but when they do, they will be substantial.


The 300 Shields video slot does not offer the fastest gameplay due to its high variance with many of the wins from the base game being quite small. That volatile variance certainly starts to kick in once the 4-stage free spins round is activated as this is where the larger payouts can be found thanks to the wild multipliers.


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