Stratego is a 2 player board game with 20 pieces per side on a 10×10 square board. The objective of the game is to either find and capture the opponent's Flag or to capture so many of the opponent's pieces that he/she cannot make any further moves. Each collision of 2 pieces results in the inferior ranked piece being removed from play. Players cannot see the ranks of each other's pieces, so disinformation and discovery are important elements of the game.
There are several different versions of the game, most of which are called by exactly the same name: Stratego.