Crypt City

From BoardGameGeek:

CRYPT CITY Corroded Corridor Issue 1 The Long Lost Maze Of The Ancient Undead Awaits! At last, the gates to Crypt City have been smashed open! Plumb its depths of twisting Frozen Molten Corrupted Steel corridors, to find the Crypts, Coffins and Sarcophagi, filled with Ancient Artifacts Or cursed Minions... ...of Eternal death arisen to kill! 2-4 Players 30 - 240 minutes 18+ age This is an expansion for Cave Evil and Warcults or any base game in the Corroded Corridor series of expansions. CRYPT CITY is a new level of Cave Evil and Warcults, with maps, cards, counters and rules to continue your battles. One could finish a game on the original Cave Evil map, put the Crypt City map down and continue playing on a new level. Built of Molten Corrupted Steel, the Undead have designed a labyrinthian tomb - Marching armies of the dead, mazes of tunnels, sarcophagi sit ready to be raided for treasure. Tonight, Necromancers and Warlords descend upon CRYPT CITY! Crypt City is issue #1 of the Corroded Corridor. Corroded Corridor issues will center on variations of play for the base games Cave Evil and/or Warcults. Further Issues will most often feature different maps, but some issues may feature new base games or even brief Campaign and Path variations of play. In Crypt City players raid a territory of the Undead species, seeking to plunder tombs for potential treasure of creatures, but many evils may be unearthed. New Dwellers, Protectors, Ancient Artifacts, Endgames and more! Expands CAVE EVIL and WARCULTS -description from the publisher