View this article at: http://dev.macnn.com/articles/05/07/25/halo.demo.available Monday, Jul 25, 2005 5:10pm Halo demo available Bungie Studios released a demo of Halo (122 MB) Mac OS X 10.2.8 or later. The included single player campaign level is titled "The Silent Cartographer" and the multiplayer map available is "Blood Gulch". While the demo is Mac to Mac only, multiplayer support is included for up to 16 human opponents. You can't save your progress and vehicle combat is limited.