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House of Doom 2 Slot Machine – Free Play & Review

House of Doom 2 might sound like a horror-themed slot, but it’s actually inspired by a Swedish hard metal band, called Candlemass. They’ve inspired the previous game as well, and it’s been popular enough with players, that we’re now seeing a sequel for it.

The look of the game remains inspired by the Gothic style, something you see in the background image, but also in the symbols which are being used. Royals, colored in red, will appear in five of the symbol positions, the ones from 10 to A being used. Four high symbols are also in play, with the Knives, Nightshade, Candles and Skull. The Crypt logo is a feature symbol, as are the four women serving as wilds.


This one’s coming from a prolific developer, which has worked on a lot of slot machines over the years. They’re offering hundreds of games right now, and they’re launching about 50+ new ones each year, so it quickly adds up. The games themselves tend to be impressive, with above average graphics, plenty of features, and big jackpots.

Basic Information

Play'n Go
Free Spins
Wild Symbol
Special Bonus Game
Online & Mobile
House of Doom 2 screenshot 1
House of Doom 2 screenshot 2

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How To Play It

There is a longer list of bet options, shown at the bottom of the game area. You pick the wager you want from there, with a minimum of $0.20 and a maximum of $100 included.

Don’t expect much from the game area, it’s the usual one, using 5×3 reels and giving you 20 paylines on it. As long as there are 3 or more symbols of the same type on a line, and aligned properly, you get paid.

Special Features

You will get several opportunities to use wild symbols, as there are four different ones available. In addition to their usual substitution powers, they also have an extra role, but only if they land within a Spirit Gate position. This spot is randomly chosen, but it’s not guaranteed to appear.

If you do get the right symbol in a Spirit Gate position, the wild expands and then gives you 1 re-spin, during which a modifier will be active. These wilds can pay directly, forming combinations which offer up to 25x the stake per line.

Queen of the Damned: will add Spirit Gates to all 5 reels.

Metal Priestess: transforms high value symbols into the top paying icon, the Skull.

Fire Mistress: a multiplier is awarded, boosting all wins by either 2x, 3x, 5x or 10x.

Spirit of the Unity: gives you all three modifiers from the other three wilds. However, it is added to the reels during Crypt Spins, you can’t get it otherwise.

The haunted house symbol, showing a logo with The Crypt, is a scatter that you want to get on three reels. In exchange, access to free spins is offered. There is at least 1 Spirit Gate active each round, and the triggering spin decides what spirit will be active for this feature.

If you get the scatter to land in a Spirit Gate position, then it’s considered upgraded. Three of these upgraded scatters, with fire surrounding them, will give you the Crypt Spins instead. The new wild, Spirit of the Unity, becomes available here.

Maximum Payouts

With a 6,000x top jackpot, House of Doom 2 does well enough, but that’s not unusual for a Play n GO release. At the same time, expect it to be volatile (high rating), but for the RTP to be at 96.25% (casinos have RTP levels to choose from though).


House of Doom 2 is going to be a pretty good slot machine for most, but one has to expect high volatility from it. It’s not easy getting to the free spins, where the higher potential appears to come from.

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