Gomoku is a Chinese board game in which you must align 5 pieces. It is normally played on a board for playing the game of go.
It is a kind of Connect 4, but with variations in terms of board.
To win at Gomoku, you must be very focused and guess what is the strategy of the opponent. You also must be able to anticipate, to think and to make good decisions.
Gomoku games reproduce the conditions under which you would play in real life.