If you liked this
Games like Nobunaga no Yabou: Bushou Fuuunroku
If you finished Nobunaga no Yabou: Bushou Fuuunroku, the closest matches are Sangokushi: Shinsen, War by Grow Games, The Battles of Napoleon, Battle of the Bulge and Daisenryaku Portable. All 10 share its strategy genre and are ranked by how closely their themes and modes overlap.
