1) Seibu Kaihatsu game 
==Gameplay== Like Empire City: 1931 before it, players use a joystick to move a crosshair along the screen and shoot enemies. Dead Angle adds an onscreen representation of the player`s character in the form of a silhouette. Multiple enemies now run in front of the player - the silhouette turns red when in the line of fire and is filled with bulle.... Dead angle is a battle term that refers to a location that cannot be defended against. It may also refer to: ...
In fortifications, a dead angle is a plot of ground before an angle of a wall which can neither be seen nor defended from the parapet.