To fix controller issues for Onimusha 3: Demon Siege on PC, especially if using a repack or the older retail/Steam version, you generally need to address the game's outdated DirectInput system. The "Configure Input" menu often fails to open on modern Windows systems (Vista and newer) because the required configuration dialog was removed from the OS. Primary Fix: OnimushaEnhanced
to your Steam library ("Add a Game" -> "Add a Non-Steam Game"). Steam Big Picture Mode. Go to Settings
K = Attack, L = Kick, I = Use item, J = Map, Enter = Start, etc.The CapCom logo flashed. The intro cinematic played. Then, the main menu appeared. Mark pressed 'A' to start.
Widescreen Patches: Modern repacks usually include a modified .exe that supports 1360x768 or higher, fixing the stretched 4:3 image that plagues the original port. How to Apply the Fix