AdVent is a text based adventure game creator.  As the ReadMe file says: AdVent is a simple adventure game program, allowing you to explore an area, beat up on the inhabitants, find treasure, and have fun. Unless you are killed.  Its real...

Adventures Plus is an early Macintosh text based adventure game creation suite with a nice user interface.  Adventures Plus supports graphics, custom verbs and nouns, inventory objects and lets you create interconnectable rooms with unprecedent...

ADVSYS - An Adventure Writing System... that's all I can say about it and the fact that I could only got it to run on Mini vMac under Mac OS 4.1 or lower.  This looks like a very early text based adventure game editor.  AdvCom seems to...

Coldstone is an easy-to-use, yet powerful development tool designed to make games. It's very similar to GameMaker which is currently being sold to this day. You can create a variety of games for Classic Mac OS, Mac OS X, and even Windows....

Custom Spectre Editor is an easy way to edit your custom spectre ship beyond what the program normally allows. This program can give you speed up to 18, ammunition up to 127, and invincible shields! Unfortunately, if you choose invincible shields...