You need the Flash plug in to play the games. If you do not have it installed you can download it for free from http://www.macromedia.com

Computer system requirements:
You will need Microsoft Internet Explorer or Netscape Versions 5 or later.
Mac: System 8 or later. Minimum screen size 640 x 480
PC: Windows 95 or later. Windows NT. Sound card. Minimum screen size 640 x 480

If you can see this animation you are ready to play!