Book of Nox is a horror dungeon crawler which follows the adventures of a Group of Victorians exploring strange lands and battling a host of evil cultists and monsters in a traditional Victorian setting.
At the setup of the game a story is chosen. (six included) The Games Master prepares the adventure. All the rooms and corridor cards are shuffled. The cards are revealed when a player explores the next doorway.
When a card is revealed dice are rolled to determine the encounters for that specific room.
A turn consists of three phases:
Players phase:
During a turn a player must perform two actions (move, attack, push, swap weapons, put down/pick up lantern, open door).
Monsters phase
After all players have acted, the monsters will attack. The monsters also perform two actions.
Upkeep phase:
This is the tidy up phase, certain actions are resolved now and it will state in the description when an action resolves in the upkeep phase.
The game is won if the players achieve the objective of the story.
—description from the publisher