僵尸 轨道射击 健康 生存 谜题 恐怖 diary 多结局 undead on-rails 衍生 道具栏 light gun amnesia hunter flamethrower BOSS 战 爆炸 男主人公 world map 主观视角 must press start to play 可解锁 rocket launcher 查看全部 + 载入画面 非玩家角色 extreme violence light-gun shooter 钥匙 字幕 抬头数字显示仪 male antagonist baton 最终 BOSS s-rank survival mode 重载 decapitation destructible environment anti-hero recurring boss keycard p08 luger pistol plot twist E3 2000 not-so-bad guys villain turned good grenade launcher revolver reset button m1911 headshot anti-villain zombie dogs swarming enemies multiple death animations uzi desert eagle umbrella corporation persistent bullet holes tragic hero green herb limb targeting the 1990s spas-12 recycled characters recycled animation isolation first aid spray licker tyrant m79 grenade launcher t-virus false identity type 14 nambu pistol