Alderac Entertainment Group will release What Lies Beneath, the sixth expansion set for Thunderstone Quest, for trade on January 31, 2020.

This expansion set, designed by Mike Elliott (Thunderstone Quest) and Bryan Reese (Set Design), continues the events of the Ripples in Time Quest (see "'Thunderstone Quest,' 'The Captain Is Dead' Expansions this Summer from AEG").  Waste Wyrms, Giant Rats, and other monsters have made their home in the Keep's sewers are be forced to the surface by even more terrifying creatures.  The keep is under siege by an ancient darkness underneath castle.  

The game box contains 294 cards, 6 Dungeon Room tiles, 2 Prestige Class boards, randomizers, and dividers. What Lies Beneath is for two to four players, ages 14 and up, and plays in 60 to 90 minutes.  The base game is required to play, and it will retail for $39.99.

AEG also will release Barricades Mode for Thunderstone Quest on November 1 (see "Co-op Play Comes to 'Thunderstone Quest'").