description Cave Overview
Cave, also known as Corral, is a logic puzzle in which the solver shades cells to form a single enclosed cave so that every numbered white cell can see exactly that many white cells in its row and column.
insights Ranking position
Cave ranks #46 of 93 in the Logic Puzzle ranking, behind Sandwich Sudoku, ahead of Tents Puzzle.
help Cave FAQ
What is the objective of the Cave logic puzzle?
The objective of the Cave puzzle, also known as Corral, is to shade specific cells to form a single enclosed cavern. The solver must ensure that every numbered white cell can 'see' exactly that many white cells in its row and column.
How do the numbers work in a Cave puzzle?
A number on a cell indicates how many other white cells are visible from that specific square, looking vertically and horizontally. The view stops once it hits a shaded cell or the edge of the grid.
What are the rules regarding shaded cells in the Cave puzzle?
All shaded cells must be connected to form a single, continuous wall that encloses the white cells. Furthermore, the shaded cells cannot form any 2x2 squares, ensuring the cavern remains properly enclosed.
Are there alternative names for the Cave logic puzzle?
Yes, this puzzle type is frequently published under the name 'Corral' on sites like Nikoli. The terms 'Cave' and 'Corral' are used interchangeably within the logic puzzle community.
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