Can I continue to play a 32-bit title after the release of macOS 10.15 Catalina?
32-bit apps will not run on macOS 10.15 Catalina or later; only 64-bit apps will be able to launch on versions of macOS released after Autumn 2019.
If you already own a 32-bit game and wish to continue playing it after the release of macOS 10.15 Catalina, you can continue to play by using macOS 10.14 Mojave or earlier. This can be done either by not upgrading your operating system, or by maintaining a hard drive partition with an installation of macOS 10.14 Mojave or earlier (please see Apple's Disk Utility User Guide if you wish to do this).
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