Legends of the Rising Sun is a collection of special rules and unit lists for using Legends of the Old West/Lord of the Rings rules for samurai. From Wargames Illustrated 278. Direct PDF download of Legends of the Rising Sun.
Sengoku: Age of Civil War is a set of free wargames rules for Samurai Warfare. From the description:
In 2015 we sought to create a samurai table top war game. Sengoku: Age of Civil War is the result of that endeavor.
- Small Squad Based Combat
- Rules for Miniatures
- Scritped Combat Rounds
- Ranged and Melee Rules
- Includes Scripting Chits
This is a pre-alpha play test given out publicly for free in order to allow players to play and test it at home with their own groups. By downloading and playing, we hope you play with a critical look to the rules and their interactions affecting the game play at the table.
Here's a four part video on modeling a Bushido samurai game board. I love the look of dedicated game boards, but don't have the room to store them.
This video has some nice techniques for modeling a Japanese style wall for your Samurai games.