Game description

Castle of Terror Slot (Big Time Gaming)

Castle of Terror Slot (Big Time Gaming) slotFrom a distance, you might confuse this slot for a fairy tale castle. However, a closer look reveals that Castle of Terror is more of a Halloween-themed slot.

There are certain moments when this castle transforms, but you will have to play Big Time Gaming’s latest release in order to get there.

Game Set-Up

Castle of Terror offers 6 reels, with up to 4096 ways to win. Features-wise, we get things like wilds, free spins (come with unlimited multipliers), and a retrigger, among others.

Betting and Prizes

This slot’s betting range falls in the $0.20 to $15 category. This may not be very attractive but Big Time Gaming has been very generous with the top payment.

The highest that Castle of Terror can pay is 61,720x the stake, and you also get to enjoy a decent RTP of 96.72%. However, be sure that you can handle the high volatility of the slot especially if you plan on playing it for real money.

Castle of Terror Slot Game Features

Castle of Terror offers many great features among them the W wild. As we are already used to, the wild will be the replacement symbol for the regular symbols as you form winning combos.

Holy Water may trigger randomly and hit 2+ spots from the mid-four reels. At this point, the character icons present will transform into extra wilds, and the multiplier for that round will increase by 1x.

Additionally, you will receive 12 free spins, and I love this feature due to its powerful nature since it offers an unlimited win multiplier. With wilds showing up, the multiplier will get a boost, and this has no limit.

While in this mode, you also get to enjoy an active Holy Water modifier with each round. Then we have a Megascatter, a feature that will come in to trigger enhanced free spins.

Theme & Design

The slot looks like a relatively normal fairy tale castle by the day. This is actually very visible from the background image.

The symbols appear in different images of aristocrats and servants. Royals serve as the low-value symbols, while premium ones are represented by diamonds and luxury ships and aircraft.


Castle of Terror is a slot with the right design and graphics for a modern slot that is inspired by Halloween.

BTG did a good job to give it the perfect design and features, and the slot is a great choice for all levels of players.

UPDATED ON: by Shawna Dudley