Start ... (Level 1)
Score 5,000 points. To raise the icon level, Score 250,000 points

Fighter Infection (Level 1)
Kill 25,000 Infected. To raise the icon level, Kill 50,000 Infected

Sniper (Level 1)
Make 5,000 kills in head. To raise the icon level, Make 12,000 kills in head

Bare arms (Level 1)
Kill 2,500 enemies with melee weapons. To raise the icon level, Kill 10,000 enemies with melee weapons

Trusted friend
Help get up 1,200 players

Reviver
Relive 150 players