Connect Four Game OnlineConnect Four is a free game at Infofully. Connect 4 is Four in a line 1st grade game for kids but other kids of different grades can play it in free time. If you want to beat the computer in this game then place 4 yellow pegs in a line. You can do 4 in a row horizontally, diagonally or vertically. The computer will try to line up Red pegs. Connect 4 online game has seven columns and six rows. So, make a plan to line up pegs and defeat the computer. Play connect four online in mute mode. Game Controls: Move the arrow with mouse movement to place the yellow peg and click to shoot it.