One reel is randomly selected for each base game spin, if the wild symbols lands on this reel it then expands and covers the entire reel.
Skulls of Abyss Picking Round
Triggered by landing 3 of the Skull scatter symbols on the reels which then leads to a simple picking bonus round.
Reveal skulls which can reward cash prizes from 1x up to 20x total bet, with the possibility of also triggering the House of Doom free spins from this bonus game.
House of Doom Free Spins
Free spins are triggered by landing 3 of the House of Doom symbols on reels.
During the free spins, the House of Doom symbols act as wilds and will also expand when they land on any Hellgate highlighted reels, during the free spins there is also an increased amount of highlighted reels from 2 up to 5 highlighted reels giving the opportunity of a full screen of wilds.
If the House of Doom symbol expands on the reels this also grants an extra 3 free spins to the bonus round.