Queen of the Castle is a 5 reel, 576 ways to win slot powered by NextGen Gaming. Playable from 40p to £20 per spin across desktop, mobile and tablet devices, this medieval themed game comes with locked reels, red and purple mystery chest symbols which display the same symbol, red and purple mystery chest nudges and a free games feature where you can win go up levels to win extra free spins and benefit from up to 3,087 ways to win.

Visually, Queen of the Castle has cartoon style graphics and you’ll see the entrance to a castle encasing the reel set – with 576 ways to win, it has a 3x4x4x4x3 reel layout. With a pleasant soundtrack playing, symbols on the reels include A, K, Q and J royals, 4 colourful gems, velvet red thrones, money bags, little dogs and Queen of the Castle banners.

The latter is the most lucrative giving you 10, 15 or 20 times your stake for 3, 4 or 5 on a payline. The Queen of the Castle herself is the wild symbol and substitutes for all symbols bar the bonus and crown symbols. The shield Bonus symbol is the scatter for 3 rewarding you with 120 times your total stake.

In terms of bonus features, Queen of the Castle has plenty – you have the Locked Reels feature which is randomly triggered in the base game. You will see vines wrap around the 3 middle reels which then sees them lock and spin together to display the same symbol.

Look out for the Red Mystery Chest symbol appearing fully on reel 1 as this will trigger the Red Mystery Chest Reveal feature – all royal symbols (A, K, Q and J) on reels 2 through 5 are replaced by Red Mystery Chest symbols. These then will reveal 1 randomly chosen symbol – either the banner, dog, money bag, throne or any of the 4 gems.

Then you have the Red Mystery Chest Nudge feature which is played when the Stacked Red Mystery Chest symbol appears partially on reel 1 – the stack can be nudged to fill reel 1 which then triggers the above Red Mystery Chest Reveal feature.

There’s also a Purple Mystery Chest symbol which can occupy reel 5 to trigger the Purple Mystery Chest Reveal feature – this works like the Red Mystery Chest Reveal feature but all gems and Red Mystery Chest symbols on reels 1 through 4 are replaced by Purple Mystery Chests. These then reveal a randomly chosen symbol – only the higher value banner, dog, money bag of throne can be chosen. There’s also a Purple Mystery Chest Nudge feature which can nudge the 5th reel to trigger the Purple Mystery Chest Reveal feature.

Finally, there’s a Free Games feature which is accessed when you get 3 Bonus symbols on the 3 middle reels – as well as 120 times your stake, you’ll receive 14 free spins. The Bonus symbol is replaced by the Crown during the free spins – every crown that appears is counted on the Tower. When you fill the Tower Meter, you’ll benefit from enhancements:

  • Level 1 (Tower Meter Size = 3) – number of symbol positions on the 3 middle reels goes up by 1 with 1,125 ways to win. You’ll also get 2 more free spins.
  • Level 2 (Tower Meter Size = 4) – you’ll play with 1,944 ways to win with 2 additional free spins awarded.
  • Level 3 (Tower Meter Size = 5) – you’ll get another row with 3,087 ways to win plus 2 more free spins.
  • Level 4 (Tower Meter Size = 6) – you’ll receive 3, 4, 5 or 6 more free spins with 3,087 ways to win.

The Tower Meter is reset after each level you clear – once you reach level 4, it’s reset at Tower Meter Size 6 meaning you can refill it indefinitely to win a countless amount of additional free spins. What makes the Free Games feature good is that the 4 other bonus features can be triggered meaning you can benefit from the same symbol showing on the 3 middle reels for huge wins.

Overall, I really like Queen of the Castle – it looks good and has unique bonus features. It’s all about the Free Games feature though where you can get countless free spins, an increased reel set with up to 3,087 ways to win as well as the 3 middle reels displaying the same randomly chosen symbol. I found it to be a medium to high variance game with potential wins of 3,100 times your stake on each spin!