Does Call of Duty: Modern Warfare 3 run on Steam Deck?

Call of Duty: Modern Warfare 3 is currently Unsupported on Steam Deck. Valve's testing found it doesn't work properly on Deck right now.

Valve's test notes

PC (Windows) system requirements

Minimum

Minimum:
OS *: Windows® XP/ Windows® Vista / Windows® 7
Processor: Intel® Core™ 2 Duo E6600 or AMD Phenom™ X3 8750 processor or better
Memory: 2 GB RAM
Graphics: Shader 3.0 or better 256 MB NVIDIA® GeForce™ 8600GT / ATI® Radeon™ X1950 or better
DirectX: Version 9.0c
Storage: 16 GB available space
Sound Card: DirectX® 9.0c or later
Additional Notes: Broadband connection and service required for Multiplayer Connectivity. Internet connection required for activation.

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