House of Doom

House of Doom by Play'n GO is a popular free slot game.

House of Doom: A Heavy Metal Descent into Medium-Volatility Horror

A Symphony of Shadows: Theme, Graphics & Sound

Load up the game and the atmosphere hits you immediately. The reels are framed by the stone arches and stained glass of a decaying cathedral, lit only by flickering candles. They nailed the symbols, too. The lower-paying icons are ornate card suits, while the high-value ones are pure nightmare fuel: a haunting skull, a sinister goat's head, a gothic cross, and the band's iconic logo.

But the real star is the sound. Play'n GO didn't just license a track; they collaborated with the legendary Swedish doom metal band Candlemass for an original soundtrack. The pounding drums and crushing riffs aren't background music—they drive the action, intensifying with every feature trigger. It’s this insane attention to detail that makes the House of Doom slot such an atmospheric beast.

Summoning the Features: Gameplay & Mechanics

Let's talk nuts and bolts. The House of Doom slot runs on a classic 5x3 grid with those 10 fixed paylines. Wins pay from the left reel. You pick a coin value between 0.01 and 1.00, setting your total bet anywhere from 0.10 to 100.00. Simple, flexible, and perfect for setting your own risk level.

Two special symbols hold the keys to the hellish vault:

• The Doom Symbol (Wild): This skull-faced wild substitutes for all regular symbols. You'll find it lurking on reels 2, 3, and 4.
• The Scatter Symbol: It's the game's logo. Land three or more of these anywhere, and you'll unlock the volatile Temple of Doom Spins. This is where the magic—or should we say, mayhem—happens.

Enter the Temple of Doom Spins

This feature is where the House of Doom slot review gets really interesting. Hit 3, 4, or 5 Scatters and you'll grab 5, 7, or 10 Temple of Doom Spins. Before they start, one regular symbol is randomly chosen to become an Expanding Symbol for the entire bonus round.

Here's the cool part: when that chosen symbol lands, it expands to cover its entire reel. If you get incredibly lucky and fill all five reels with this expanding stack? You'll score a monstrous 666x your total bet—a payout that perfectly fits the theme. Honestly, the feature can even retrigger with more Scatters, adding spins and extending the metallic chaos.

That said, its medium variance makes it a poor fit for players chasing frequent, small wins. If that's your style, you might prefer a more relaxed session on our Vegas Style Deluxe Slots page. For a different Play'n GO adventure, try the mystical Rise of Merlin or the chaotic Rich Wilde and the Tome of Insanity.

How to Play House of Doom for Free at Slottomat

Our free demo version is the ultimate way to go. You get the full, terrifying experience—soundtrack, features, and all—with a virtual balance. It's the smartest way to learn the rhythm of this medium-volatility beast elsewhere.

Play'n GO's Diverse Portfolio

Play'n GO's genius is their range. While House of Doom delivers a metal concert, they master every genre. Crave a change? Explore the nostalgic pop of NSYNC Pop, live the luxury in Fu Er Dai, or enjoy some laughs with Naughty Nick's Book from our Comedy Slots collection. They truly have a game for every mood.

Final Verdict

House of Doom is a strong example of audiovisual slot design. Play'n GO crafted an experience where the atmosphere is just as important as the payout. The medium volatility demands patience, but the Temple of Doom Spins offer a genuinely thrilling climax. It might not be for everyone, but for players who love slots with a powerful identity and a massive punch, it's a must-play. For more games with published RTP figures, explore our 96%+ RTP Slots page.