Bot Productions's Trivia Quiz Shell (TQS) is a freeware application that provides a rich platform for running custom applications. TQS has built-in support for various types of trivia questions, including multiple-choice, true-false, and type-in-answer. Also, it supports hangman, menus, and HTML, making it an excellent tool for teachers, students, or anyone to use in facilitating learning or testing knowledge. Its advanced customization abilities are well-suited for individuals or organizations seeking a simple but powerful way to interactively present data. Version 2.5 adds rich support for scoring, state tracking, and report generation, as well as sounds, finish buttons, and more customization features. Two sample quiz applications are included. Available online are more sample applications, and the Author's Guide, containing a comprehensive tutorial and reference.