Click the green flag. This is only a game for four players. If there are already four players playing then Giga will tell you that the game is full. If the other players are not moving then they are either not online or not taken yet. Your cat should always go to your mouse cursor
I got the code from this tutorial: https://www.youtube.com/watch?v=hdrN_LJ51rw&t=44s and added a bit of my own code.
