Cliff Mining

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Cliff Mining
Joshua Kronengold
Use your deduction skills to work out what's in the cliff
:Players Players: 3 - 5
:Time Length: Medium
:Complexity Complexity: Medium
Trios per color: 2
Number of colors: 1 per player + 1
Pyramid trios:
Monochr. stashes:
Five-color sets:
- - - - - - Other equipment - - - - - -
opaque screen per player, opaque bag, box, paper and pencil
Setup time: 1 minute
Playing time:
Strategy depth: High
Random chance: Low
Game mechanics: Hidden Information, Deduction
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BGG Link:
Status: Playtesting (v1.1), Year released: 2020


  • One opaque screen per player.
  • With three players, two trees of four different colors. Add two trees of one more color per player over three.
  • One opaque bag, enough to randomize all the pieces.
  • A box or bag large enough to hold up to five large pieces.
  • Note-taking materials for each player. It is recommended that players take copious notes and not show them to others.




Set-up for three people


Each player draws five pieces randomly from the bag and places them, hidden, behind their screens.

Pick a player to go first.


On your turn, you can do one of the following moves:

  1. Mine by size
  2. Mine by color
  3. Stake your claim

If you mine, you must declare how many pyramids you wish to mine—any number from one to five—and you must declare a size or color.

If the player to your left has a set of pyramids matching your mine request, they must place them in the neutral box and show them to you—examine the mined pieces and return them.

If not, the next player must do so, and so on.

If no player (aside from yourself) can fulfill your request, instead randomly pull one pyramid from the bag and place it visible to all players (thus, failed calls help every player—but you (the player who made the over-ambitious call) least of all).

If you stake your claim, you are attempting to win the game. State—in entirety, by size and color, the set of pyramids you believe remain in the bag. Then, you and only you may examine the bag to determine whether your guess is correct.

If your guess is correct, reveal the winning pyramids (and show that the bag is now empty) and you win.

If your guess is incorrect, you lose, but the game continues (you have fallen into the mine). Put the bag behind your screen, and place all your pyramids into the bag without showing them to others, and the game continues without you.

If only one player remains, they win by default. Otherwise, the first player to successfully stake a claim wins!

External Links

Facebook thread that inspired this game