If the civilian level drops down very low then the Zombie threat will increase and cause a rush of enemies to the player's vicinity.

In the game the player can use different avatars which also include band members from Slipknot, as well as Rayne from BloodRayne, and Mark Hunter from Chimaira.

[1] In his December 11, 2004 review, Jim Schaefer of Detroit Free Press initially gave the game three stars out of four, stating that "In these days of bird flu and fears of a real-world pandemic, a game called "Infected" leaves me a wee bit leery.

The big deal about this game is that you can make your mark in it across the world - and I'm not talking about the usual route of racking up points to sit atop some leader board.

"[14] A week later, however, he raised the grade to all four stars, stating that, "The online ability to spread an infection to another player is so innovative that this game gets my top award, even if it's not perfect in other areas.