Gigantosaurus: Tic Tac Toe is a fun arcade style game and with the mouse, you are going to place X's on the nine empty tiles, while the computer will place rocks. You can put x in any blank space. You have to put three of your items in a row in order to win the match, while also preventing your opponent from doing the same thing first. Enjoy playing Gigantosaurus: Tic Tac Toe game here at Y8.com!