While lacks native controller support on PC, you can use Xpadder to map keyboard and mouse inputs to your gamepad, providing a console-like experience for the SKIDROW version. Essential Xpadder Mapping for MW3
Fine-tune your aiming sensitivity beyond the in-game limits. Xpadder Profile For Call Of Duty- Modern Warfare 3 SKIDROW
Her lieutenant leaned over. “Why not use a real mouse?” Call of Duty: Modern Warfare 3 (2011) While
Map to Right Mouse Button (Aim Down Sights). Face Buttons: A: Space (Jump) B: C or Left Control (Crouch/Prone) X: R (Reload/Use) Y: 1 (Switch Weapon). Advanced Profile Features “Why not use a real mouse
Xpadder remains the most reliable for the SKIDROW release due to its low overhead and custom axis curves.
Unlike later Call of Duty titles, the PC version of Modern Warfare 3 does not include built-in gamepad support. Xpadder allows you to map keyboard and mouse inputs to your controller, enabling full analog movement and custom bindings for the SKIDROW release (which functions identically to the original PC executable).