This game is operational level wargame for siege of Osaka．
Each player control either Osaka side (aka Toyotomi Army) or Kanto side (aka Tokugawa Army).
"Sanada Gunki" means "Record of Sanada Yukimura (most famous commander in this campaign) and his troop".

Each troop organized by one or more unit.
The game repeats the game turn decided by the scenario. Each game turn divided for two player turn. Each player turn include Movement phase, none active side reaction movement phase, Force march phase and combat phase. All unit can move in movement phase, but required pass activity check in reaction and force march phase. Combat result by fire power CRT and two dice.

Victor of the games is decide by victory points. The victory point is provided by the capture of the castle, the removal of the enemy units and unit in the enter important city or province.

The game contain Winter campaign scenario and Summer campaign scenario with three fictional variant.

GAME SCALE : Each hex of map is roughly 5000 meters. Each game turn represents three days of real time. Each combat units represents about 2500 soldiers.

COMPONENTS (first version)

• 1 x Map (560 x 830 mm)
• 1 x counter sheet (252 counters)
• 1 x rulebook
• 1 x reference card
• 2 x organization cards
• 2 x six side dice
• 1 x counter tray

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This game was first published in 1992 by Tenkafubu.
Later edition was published in 2010 with Game Journal magazine #36 by Simulations Journal / Game Journal Magazine.