Based on the ancient Nordic game of Hnefatafl, Viking’s Chess — The Conqueror’s Game is full of mechanisms and features unique among video slots. Match runes, kings, and queens across a 5×5 board and benefit from the Gravalanche mechanic that removes the winning symbols and makes room for new potential wins. For a winning combination, at least three matching symbols need to form a vertical or a horizontal line, including any king and queen combos.

If the wild lands in the center hotspot, it extends to adjacent symbol positions, thus guaranteeing a win. Meanwhile, a wild that lands on one of the corner hotspots awards a 2x multiplier to any winning combination it becomes a part of. Wild symbols remain in their hotspot positions until the round ends. But that’s not all — if at least three wilds appear in hotspots, they’ll trigger the free spins game with unlimited progressive multipliers and more opportunities for large wins. Viking’s Chess has an RTP of 95.45%.