Connect Four

Connect Four (aka Connect 4) is a classic game where you must get 4 circles (of same color consecutively) in a row, column or diagonal.
The playing surface is 7 columns each with 6 rows.
Each circle placed falls to the bottom of each column.
The next page shows the yellow player winning with 4 together diagonally.
Player moving first often wins because there is strong first move advantage.
Tap any column to place a circle.