A spooky looking residence out in the middle of nowhere with bats flying around; where have I seen this before? Ok, you’re probably thinking Dracula like me, but this latest online slot from software powerhouse Big Time Gaming is titled Castle of Terror. I’m sure we could be about to bump into a vampire or two, but for now, what we do know is that this is a 4,096 payline slot with an RTP of 96.72% and a juicy maximum win of 61,720x bet.
BTG is known for adding some interesting features to their slots, and there are a couple for you to get your teeth stuck into in this game. Yes, that was a cheesy vampire pun; I’ll get my coat. Anyway, back to the mods and bonuses, and we have the Holy Water feature that can randomly trigger in the base game, potentially turning premium paying symbols into wilds. This mod is also a vital part of the main bonus round, guaranteeing to trigger on every spin. Regarding the top bonus, two of these can be activated, with the premium Megascatter free spins feature incrementing your win multiplier by x2 instead of the standard x1.
I’m not jumping to conclusions just yet, but I’ve got my crucifix and a fair bit of garlic with me as I head into the review of this slot. Care to join me? If not, jump straight to the free demo slot of Castle of Terror below and try some spins out for yourself.
| Provider | Big Time Gaming |
| Reels | 6 |
| Rows | 4 |
| Paylines | 4,096 |
| Bonus Rounds | 2 |
| Bet Range | 0.20 - 15 |
| Volatility | High |
| Max Win | 61,720x |
| Bonus Buy | Yes |
| RTP | 96.72% |
| Our Rating | 6.5 |
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Castle Of Terror demo slot
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Castle Of Terror Slot Theme, Stakes, Pays & Symbols
As I suspected in the intro of this game, there is a heavy reference to vampires from the very start. It’s hard to believe that our fascination with these characters began in 1897 when the Irish author Bram Stoker penned his gothic horror novel Dracula. Since then, countless books, video games and movies have been released featuring these supernatural beings. Of course, online slots have not escaped the clutches of these blood sucking creatures, and players have had the pleasure of spinning the reels on many a blood curdling title over the years, with Push Gaming’s hit Fat Drac springing to mind as a recent example.
Okay, back to Castle of Terror, then, and it’s time to get better acquainted with the paytable. It’s pretty much a standard Big Time Gaming slot with regard to the lower value symbols, and these are represented by the royal symbols that range in value from 0.1x up to 0.5x for a 6 of a kind hit, so not exactly bank busting stuff with the smaller pays. Next, it’s on to the premium paying symbols, and we have the gardner, maid, gentleman, and lady, who’ll reward you with 0.6x, 0.6x, 1x, and 50x respectively, if you catch six on a winning payline. Relatively small amounts all round it would seem then, except for the top paying symbol, but maybe the game makes up for it in the bonus round, and that we will find out shortly.
BTG Games always cater for low and high rollers, which is the case here on Castle of Terror too. Spinning the reels on this title can start from €0.20 with a steady progression in bet sizes before reaching the maximum of €15. It’s nice to see the provider sticking to their guns and continuing to offer a fair return to player percentage whilst many rival studios have lowered their values drastically. Participating in real money play on this game will see you enjoy an RTP of 96.72%.
Base Game & Modifiers
Things are kept relatively simple in the base game, with the action taking place across a 6×4 playfield which produces a total of 4,096 ways to win. There’s nothing new to how you create a winning combo either, match 3 symbols starting from the, or 2 in the case of the lady, and the corresponding cash amount will be credited to your balance.
Holy Water
On every spin in the base game, there is a chance for the Holy Water modifier to trigger. When this activates, two or more positions can become covered in water; if one of the premium paying symbols lands on one of these positions, it will be transformed into a wild. The Holy Water modifier will activate on every spin during the free spins round.
Win Exchange
Securing a base game win over 100x your bet will allow you to exchange that win for instant access to the free spins feature. If you accept this offer, 100x will be deducted from your winnings, and the feature will begin.
Any wins you achieve between 25x – 100x will give you the chance to gamble, with the prize being access to the bonus round.
Castle Of Terror Slot Bonus Features
There are two bonus features that can be triggered in the Castle of Terror, with the first of these being the standard free spins, and the second being the Megascatter enhanced free spins. So, let’s take a look at what these are and exactly what they do.
Standard Free Spins
Triggering the standard free spins feature will require you to land 3 of the regular silver scatter symbols anywhere in view. This will award you 12 free spins with each additional scatter that lands after adding three extra spins to your starting total.
Once the bonus begins, you will start with a win multiplier of x1. As mentioned earlier, every spin will now see the Holy Water Modifier activated, so you have the potential to add extra wilds to the playfield. Furthermore, every time a premium value symbol is transformed into a wild, the multiplier will increment in value by a further x1. If you can reach up to 20x, then 6 extra free spins will be awarded.
Megascatter Enhanced Free Spins
For the enhanced feature to trigger, you will again need to land a minimum of 3 scatter symbols in view, but this time the Golden Megascatter symbol must appear on reel 6. If you activate this particular bonus, you will receive 12 free spins with each scatter that lands after the 3rd, adding an extra 3 spins to the starting total.
This feature will begin with a win multiplier of x2. Each time a premium symbol transforms into a wild, the multiplier will increment by a further x2 in value. Once again, reaching x20 will re-trigger the bonus and award you with 6 extra spins.
Bonus Buy
Players who can access the bonus buy feature on Castle of Terror have the following two options to choose from.
- Standard Free Spins: 70x bet.
- Enhanced Free Spins: 200x bet.
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