Solving controller issues in Samurai Warriors 4-II on PC can be frustrating because the game relies on DirectInput rather than the modern XInput standard used by most current controllers. This often results in the game failing to detect your gamepad or causing issues like unmapped triggers and spinning cameras.
Some users report that SW4-II forgets their controller after tabbing out (Alt+Tab). This is a registry priority issue. samurai warriors 4 ii pc controller fix
Check "Run this program in compatibility mode for:" and select Windows 7. 3. Xbox One/Series Trigger & Camera Fix Solving controller issues in Samurai Warriors 4-II on