Free and open source DOS-emulator for your Mac that helps you play a ton of vintage games that you might still want to enjoy on newer hardware What's new in DOSBox 0.74-3: Implement basic file access control for files available from within the emulation, so that programs running inside DOSBox can't access. Available for zero Zorkmids! Download any of the following Zork games for free and get a first hand look at great interactive fiction! Zork I (Mac download here) The game that started it all. Discover the 'Great Underground Empire' and find out how gruesome a 'Grue' is! Detailed description here, download and installation instructions here.