Does Left 4 Dead run on Mac?

Yes — Left 4 Dead is playable on Mac.

Left 4 Dead is graded playable on Apple Silicon from community reports and how the game is built. It hasn't been hand-verified on our own Macs yet, so expect an occasional rough edge — and tell us how your run goes. You need to own Left 4 Dead on Steam; Pixel Port runs the copy Steam delivers.