House of Doom 2: The Crypt is a 5 by 3 video slot game with 20 paylines. The game has different themes which affect the appearing WILD symbols in base game, the music and the FREE SPINS feature. The theme changes randomly into a different one after a FREE SPINS or CRYPT SPINS feature has ended. QUEEN OF THE DAMNED, FIRE MISTRESS, and METAL PRIESTESS themes are indicated by green, purple, and blue backgrounds respectively.