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

Frequent (Level 2)
20 days on the server. To raise the icon level, spend 30 days on the server

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

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