Strength of the SWORD 3 features cartoon-like graphics, with background objects appearing very askew or unrealistic. The background changes as players progress to different stages, such as from a devastated town to a dark, gloomy forest. The character models and the combat area are all rendered in 3D. Certain levels feature fire or machinery and these hazards can cause damage to both enemies and the player. The story progresses through a cut scene after a player has defeated an enemy or boss stage and displays a book where 2D images of the player character and enemy characters are shown. The player quickly chops down enemy resistance and moves on to the next stage on the map in the book.
The music in Strength of the SWORD 3 is all instrumental, and very melodic. The pieces that are played fit the scenes very well and are very similar to orchestral scores, such as the score during the fourth mission where tribal elements are mixed into the music to amplify the scene. At the end of a level, a heroic fanfare is played to give players a sense of accomplishment.
Strength of the SWORD 3 lacks any significant storytelling voiceover, only featuring small sound clips for the various bosses and text writing to decipher the point they are attempting to make. The game also features general combat sounds, such as sword slashes and various noises that come from the player character whenever an action such as a jump is performed or grunts from the various enemies whenever they perform an action. Players should be able to easily follow the events of the Story Mode even though storytelling voiceovers are not present.