It is a heavily fantasized and romanticized depiction of his life, although unlike games such as the Samurai Warriors series it goes into more specific historical details.

The game paints a positive picture on Nobunaga's life, and then enters a "what if" scenario showing what might have happened if he had survived the betrayal by Akechi Mitsuhide.

After being briefed on the mission's details, the player then selects which units to bring into the battle before issuing basic marching orders.

and officers can learn powerful special skills and abilities such as defensive strategies or attack magic that can turn the tide of battle.

During a rampage, the player can earn bonus experience, gold, and restore lost troops to the unit by picking up the proper items dropped by defeated soldiers.

The storyline of Kessen III is very detailed and makes frequent use of cinematic sequences rendered using both the game's own graphics engine and full motion video.