Does Left 4 Dead 2 run on Steam Deck?

Left 4 Dead 2 is Steam Deck Verified. It passes all of Valve's compatibility checks — controller support, text legibility, and performance — and runs great on Deck out of the box.

Valve's test notes

PC (Windows) system requirements

Minimum

Minimum:
OS *: Windows® 7 32/64-bit / Vista 32/64 / XP
Processor: Pentium 4 3.0GHz
Memory: 2 GB RAM
Graphics: Video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
DirectX: Version 9.0c
Storage: 13 GB available space
Sound Card: DirectX 9.0c compatible sound card

Recommended

Recommended:
OS *: Windows® 7 32/64-bit / Vista 32/64 / XP
Processor: Intel core 2 duo 2.4GHz
Memory: 2 GB RAM
Graphics: Video Card Shader model 3.0. NVidia 7600, ATI X1600 or better
DirectX: Version 9.0c
Storage: 13 GB available space
Sound Card: DirectX 9.0c compatible sound card

Use the free interactive checker to compare these against your hardware automatically. Visit https://fundelot.com.

More games to check