Is there an emulator that will let me play “Return to Zork” on Mac OS X Tiger?”
You mentioned in a comment that your copy of Return to Zork was for Mac OS 7, which would mean it was compiled for either a Motorola 68xxx or a PowerPC processor. With Classic OS 9 support, it means you have a PowerPC instead of an Intel-based Mac (Apple dropped support for Classic with the switch). There are many 68xxx and PowerPC emulators for Linux, and a few for Windows, but the choices are more limited for OS X. Your best bet is probably going to be this port of Basilisk II for OS X: http://www.users.bigpond.com/pear_computers/BasiliskII.html If you had an Intel-based Mac, there’s a new project based on Basilisk II that is working on increasing the speed of the emulation and it’s got support for Intel-based Macs: http://gwenole.beauchesne.info/projects/basilisk2/ A couple of other ones that may be worth looking in to: http://minivmac.sourceforge.net/ http://pearpc.sourceforge.net/ Although PearPC running on OS X isn’t currently supported, it may be possible that it will be later o