Place this clip at the opening of a gameplay edit, before the first fight sequence, then follow it with enemy spotted when opponents appear on screen and bomb has been planted for a mission-style objective moment near the end.
關於此聲音
This clip is a four-second excerpt of background music labelled Ninja Gaiden Act BGM, built as a short musical passage with no spoken voice. It gives a listener a tense, urgent feeling, like momentum building before a challenge. Its title identifies it as act background music from Ninja Gaiden.