现代战争 血 重力 竞技 第一人称射击 死亡 士兵 军事 keyboard Steam special forces 在线 人质 stacking 扩展 esports 衍生 用户生成内容 爆炸 数字发行 throwing weapons 现代军事 scatological humor 人类 查看全部 + 3D 多边形 购物 wasd movement 非玩家角色 sniping falling damage 混战 first person melee stat tracking 地图编辑器 instant kill 友军伤害 重生 作弊码 terrorists banned multiplayer scoreboard hotkey suicide controversy mod origin valve anti-cheat particle system weapons swap multiplayer lan team deathmatch guerilla warfare camera control kill streak linear gameplay meme origin camping dedicated servers inverted controls vent crawling dual wielding hitbox text dialogue strafe-jumping no respawn 精选集 objective-based team gameplay machinima professional gaming pc to console port team killing bomb defusal mode e3 2002 XBox 360 向后兼容 humiliation game developers choice awards 2001 e-sports