House of Doom 2 The Crypt: Slot Overview
House of Doom 2: The Crypt is a 5x3, 20-payline slot from Play'n GO. I see it as a sequel that upgrades the first game in two clear areas, presentation and maths. You get three rotating base game domains, each with its own soundtrack and linked wild modifier, then a layered route into Free Spins and Crypt Spins. From a math perspective, the model is high-volatility, 96.25% RTP, with a 6,000x max win.
Graphics are cleaner than the original, but the real hook is the structure around Spirit Gate respins. The numbers tell you this is not a pure max-win chase slot. It leans more on chained feature interactions, upgraded scatters and conditional respins. I think the base game can drag a bit, and not everyone will enjoy how busy the rules become.
House of Doom 2: The Crypt Symbols and Paytable
5-reel line wins land left to right from three matching symbols. Low pays are 10, J, Q, K and A, while the premium set includes daggers, a flower, candles and the skull as the top regular symbol. Looking at the paytable structure, all four character wilds pay the same, x25 for five, x5 for four and x2 for three.
Regular wilds are Queen of the Damned, Fire Mistress and Metal Priestess. Each substitutes for regular pay symbols and carries a specific modifier once tied to a Spirit Gate. The scatter is the Crypt symbol, and its upgraded version is the Flaming Crypt scatter. From a symbol-value angle, the skull tops the standard table at x10 for five.
Symbol Payouts
Wild
Substitutes for all regular symbols and pays like the other wilds. In a Spirit Gate it expands and upgrades premium ritual relic symbols to the top skull symbol.
Skull
Top-paying regular symbol.
House of Doom 2 The Crypt: Slot Features
During the base game, a Spirit Gate can appear randomly on any reel. If a wild lands inside it, that wild expands to fill the reel and awards a respin. The active domain decides the modifier. Queen of the Damned adds Spirit Gates to all reels for the respin, Fire Mistress applies a random x2, x3, x5 or x10 multiplier, and Metal Priestess upgrades premium ritual relic symbols to the highest-paying skull.
Three regular Crypt scatters on reels 1, 3 and 5 trigger Free Spins. In the feature, multiple Spirit Gates can appear on one spin, which lifts modifier frequency. If a regular scatter lands in an active Spirit Gate, it upgrades to a Flaming Crypt scatter. That upgrade path matters because it is the bridge into the stronger round.
Bonus Buy Options
A random Spirit Gate can appear in the base game. If a wild lands in it, the wild expands to cover the reel and awards a respin with a domain-based modifier.
Volatility: High
Three Crypt scatters on reels 1, 3 and 5 trigger free spins. During the feature, more than one Spirit Gate can activate on a spin, and at least one Spirit Gate is guaranteed according to one source.
Volatility: High
Three Flaming Crypt scatters award 8 Crypt Spins. During this round, the Spirit of Unity wild can trigger a respin where Queen of the Damned, Fire Mistress and Metal Priestess modifiers all apply together.
Volatility: High
Crypt Spins Explained
3 Flaming Crypt scatters award 8 Crypt Spins. Sources agree they can arrive either from a Queen of the Damned respin or from free spins after all three scatters are upgraded. Here the fourth wild, Spirit of Unity, enters the model. If it lands in a Spirit Gate, you get a respin with all three modifiers active at once.
From a math perspective, this is where most of the upside sits. Stacked gates, reel-wide wild expansion, premium upgrades and a multiplier layer create the best route to the 6,000x ceiling. Crypt Spins can retrigger indefinitely for 8 more spins each time. I like the feature density here, though the nested trigger logic is not especially transparent.
