Abandonware DOS title

Games made with the Z-machine engine, by Infocom sorted by title, from Z to A

The Z-machine was developed by Infocom and used in its interactive fiction games. Z-machine is a virtual machine that allows a developer to easily develop text-adventures for multiple platforms without much hassle. A number of interpreters exists so you can play both old and new text adventures on dead platforms as well as recent ones: Glulx, Inform, TADS, etc.
ballyhoo-1

Ballyhoo

DOS19863.5/5 Infocom
arthur-excalibur-02

Arthur: The Quest for Excalibur

DOS19894/5 Infocom
_amfv_001

A Mind Forever Voyaging

DOSMac19854.1/5 Infocom