All Perks:
Blue Perks (Slot 1)
Marathon = Unlimited sprint 无限奔跑
Marathon Pro = Get over obstacles faster 快速过障碍
Slight of Hand = Faster reloading 快速装弹
Slight of Hand Pro = Sight your weapon faster 快速举枪
Scavenger = Full resupply from dead enemies 拾取敌人尸体上的手雷与子弹（这一代不用这个不能捡子弹）
Scavenger Pro = Extra magazines 拾取的子弹增多
Bling = 2 primary weapon attachments 主武器双配件
Bling Pro = 2 secondary weapon attachments 副武器双配件
One Man Army = Replaces your secondary weapon, allows you to change your class at any time during a match 允许你任何时候换装备，不用等下次重生，占去副武器位子
One Man Army Pro = Swaps classes even faster 换装速度变快
……