The Duke is a two-player abstract strategy board game played on a square-tiled gameboard, with 36 squares arranged in a 6×6 grid.

[2] Each player begins game with three pieces: two footmen and one eponymous duke tile.

Each piece, a flat, wooden tile (known as troop tiles) has its movement options graphically portrayed on its two sides, giving it alternating movement options based upon which side of the piece is currently facing upwards.

The objective in a standard game is to capture the opponent's duke, by first placing the duke into guard, a condition paralleling check in chess.

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