Connect 4 is an online puzzle game at y8games.games, in this game you need to create a line of at least 4 ball, the one make it first will win. Choose yellow or red discs. You can play with computer or with your friends.
With this game you can play against another player or against the computer. It is designed so that children and adults can handle it easily. The artificial intelligence of the computer adapts to the level of the rival. A perfect application for playing with family.
Connect four online to win at http://y8games.games/
I think this is a good and nice game fun and easy but some of the ads are not good for kids under 18
Instruction to play:
ABCya.com
2Player
gogy.com
y8.com
Friv
Y8
Y9
Y10
Y8Y8
Y88
Friv4school
Y8Y8Y8
Stickman 
Running 
.IO 
Jigsaw 
Princess 
Minecraft