
- BGG rank
- BGG #29,058
- BGG rating
- 4.7
Dračí hrad
- 2–7 players
- 90 min
- Complexity 2.0/5
- 2003

Rules assistance for Cave Pilot 55: Acid Test Expansion
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.
Cave Pilot 55: Acid Test Expansion is an expansion for Cave Pilot 55 released in 2015 for 1–4 players, 30–100 minutes per game, and ages 14 and up. It was designed by Martijn Weterings and its main mechanics are Dice Rolling, Modular Board, and Open Drafting.
Adds the following additional cards: 4 cave cards 2 exploration cards 1 small beast card 1 large beast card These can be substituted for base game cards or added to them, providing more variation to the game.
Cave Pilot 55: Acid Test Expansion supports 1–4 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 Cave Pilot 55: Acid Test Expansion is 30–100 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 Cave Pilot 55: Acid Test Expansion 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.
Cave Pilot 55: Acid Test Expansion belongs to these categories: Card Game, Fantasy, and Dice. Its main mechanics are Dice Rolling, Modular Board, and Open Drafting. 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 Cave Pilot 55: Acid Test Expansion are: Martijn Weterings. 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 Cave Pilot 55: Acid Test Expansion as an expansion for Cave Pilot 55. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Cave Pilot 55 to use it. Check that your edition of Cave Pilot 55 is compatible, as some expansions were revised between editions.