The official suggestion from Steam was to partition your Mac and dual-boot multiple versions of macOS. But I found that my Wine setup wasn’t working anymore either, and didn’t look like it was ever going to be. I tried to install L4D2 via Wine, which I had previously used to play classic games like Railroad Tycoon 3. I remember reading about that before upgrading, and made sure I backed up my old Word & Excel files as my ancient Office 2011 would no longer run, but I hadn’t considered the impact it would have on my games. It turned out that Apple had dropped support for 32 bit apps. This game may not run.”Īnd yes, I have clocked up an embarrassingly high 134 hours…! So when one day I upgraded my macOS to Catalina (10.15), I was gutted to find that I couldn’t play Left 4 Dead 2 (L4D2) anymore: “Your current macOS (Catalina) is unable to run 32-bit games.

Here’s one of those meet-ups, when we hooked a laptop up to my 50″ TV: The fans got so loud. I played it a lot in my uni days with my nerdy housemates, and we still try to meet up a few times a year to relive the good old times. In a hurry? Jump straight to the solution.

Left 4 dead 2 icon