TADS is the Text Adventure Development System, a set of tools for writing and playing text-based adventure games. You interface with these games by entering commands in English, and the game responds with a textual description of the result. . This package contains a compiler which produces machine-independent TADS version 3 game files, as well as the standard TADS 3 library. The input language is an object-oriented high-level language similar to C or C++.