The title may not be accurate, but the complete description is: with platform jumping and terrain difference elements, the shooting angle is relatively limited, and the shooting angle depends on the arrow keys instead of the mouse to change the shooting angle. For example, Shock Troopers, the two-dimensional type of Cut 'em ups can at least see several independent games appear in normal times, but the three-dimensional type of Cut' em ups seems to have disappeared, even if there is one, it is not well-known, Is this my illusion or is it really like this?