
- BGG rank
- BGG #5,897
- BGG rating
- 6.6
Explorers of the Woodlands
- 1–4 players
- 45–60 min
- Complexity 2.2/5
- 2023

Rules assistance for Monster Slaughter: Underground
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

What would you like to know?
Answers come from the official rulebook, with the page to check.
Monster Slaughter: Underground is an expansion for Monster Slaughter released in 2020 for 2–5 players, 45–60 minutes per game, and ages 14 and up. It was designed by Geoffrey Wood and its main mechanics are Variable Player Powers, Dice Rolling, and Action Points.
The old cabin in the woods may be remote, full of hiding places and infested with monsters… But who ever said it's revealed all of its secrets? Monster Slaughter: Underground expands the original game by adding a new room to the board and new special guests for your monsters to overcome. These guests will have their own scenarios and special rules to shine in the limelight, but your Monsters will also have access to the new abilities to keep up the pace! —description from the publisher
Monster Slaughter: Underground supports 2–5 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.
The listed playing time for Monster Slaughter: Underground is 45–60 minutes. This is the publisher’s estimate for a full game. The actual duration depends on the group, the player count and familiarity with the rules: first sessions usually run longer, while experienced groups often finish faster. Setup and teaching time are not included in this estimate.
The catalogue lists Monster Slaughter: Underground for ages 14 and up. This is the publisher’s recommendation and reflects reading demands, rule complexity and small components rather than theme alone. Younger players can often join with help from an adult, so check the age guidance on your edition and consider your group’s experience with board games.
Monster Slaughter: Underground has a complexity rating of 3.0 out of 5 from BoardGameGeek players, which makes it a medium-weight game. The rating reflects how much rules knowledge, planning and decision-making a typical game demands. Expect a longer first teach for heavier games, and use a preparation guide before game night.
Monster Slaughter: Underground belongs to these categories: Humor, Horror, and Expansion for Base-game. Its main mechanics are Variable Player Powers, Dice Rolling, and Action Points. Categories describe the theme and setting of a game, while mechanics describe what players actually do on their turns. Each mechanic links to a catalogue hub with similar games, which helps when you want something comparable.
The credited designers of Monster Slaughter: Underground are: Geoffrey Wood. These credits come from the published game data and name the people responsible for the game’s design, not its illustrators or publishers. Designer pages on MeepleRules collect other titles by the same designers, which helps when you enjoy a game and want to find similar ones.
The catalogue lists Monster Slaughter: Underground as an expansion for Monster Slaughter. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Monster Slaughter to use it. Check that your edition of Monster Slaughter is compatible, as some expansions were revised between editions.