Kill 1 player
Kill 100 players
Kill 100 players with headshot
Kill 1000 players
Kill 100 players with shotgun
Total online time reach 2 hours
Kill 100 players with katana
Clear Chapter I only with pistol
Kill 100 players with axe
Kill 100 monsters
Kill 1000 monsters
Enter the Monitoring Room
Find the body in the Vent pipe
Clear Chapter I
Killed by blast injury
Destruct zombies for 100 times
Destruct zombies for 500 times
Destruct zombies for 1000 times
Die 10 times in PVE Mode
Die 100 times in PVE Mode