The Crypt-免費 3D 第一人稱射擊遊戲，操作很簡單，用鍵盤的方向鍵控制人物的位置，滑鼠左鍵是射擊，滑鼠右鍵是跳躍-The Crypt-free 3D first person shooter, the operation is very simple, using the keyboard arrow keys to control the position of the characters, the left mouse button is the shooting, is jum