# Real-time window option

Successfully complete the indoor shooting range with a "S" or better rank to unlock the "Real-time Window" option at the "EX Options" menu.
# Professional mode

Successfully complete all EX missions to unlock the "Professional Mode" option at the "EX Options" menu.
# Continuous mission mode

Successfully complete all EX missions to unlock the "Continuous Mission Mode" option at the "EX Options" menu.
# Free health

Shoot about five or more people in the head.
# Defeating Bosses

To easily kill a Boss, shoot them in the head.
# Teddy kill

In Silent Scope EX, you will encounter a helicopter Boss. He will have an afro and a teddy bear in the front seat. Shoot the teddy bear in the head and the helicopter will crash.
# Secret level

After completing all the levels there will be a final confrontation level. You will have to get to a swordsman Boss and defeat him. He will come at you with his sword. Shoot him then. After that, you will have to find your way to a 1-shot Boss. To kill him easily, wait for the shuttle to stop moving, then make your shot. After that, you will have to kill your own Boss.