Ruby CLI Game Development: Build and Debug a Subtraction Quiz

Want to sharpen your Ruby coding skills through a practical, hands-on project? Building a command-line game is one of the best ways to master control flow, user input, and debugging. In this text-based course, you will learn how to design, write, and debug a subtraction quiz game from scratch. You will transition from writing basic scripts to structuring clean, error-resistant Ruby code that gracefully handles unexpected user behavior. What you'll learn: - Understand foundational Ruby syntax, variables, and basic arithmetic operations - Capture and validate user input from the command line to prevent crashes - Implement conditional logic and loops to manage game state and score tracking - Debug common logic errors and handle exceptions gracefully using Ruby best practices - Structure your code cleanly using methods for better readability and maintenance - Apply basic testing principles to ensure your game logic works perfectly every time You will start with core programming concepts and terminal interaction basics before moving on to building the quiz logic, handling edge cases, and refactoring your code for maximum efficiency. This course is designed for beginners who have a basic grasp of programming concepts and want to build practical skills in Ruby. No advanced prerequisites are required. Start reading today to build and polish your first interactive Ruby CLI application.